What happens when you use standard headers on aftermarket cylinder heads?

Black MAXX Coated Headers; D-Port Head; 1-5/8 in. Mid-Length Tubes-

1-5/8 in. Mid-Length Headers, SB Chevy 283-400 with D-Port Heads; Various Camaro, Chevelle, El Camino, Nova, Regal, Cutlass, Grand Prix & Others- Standard-Duty, Black Maxx Black Ceramic Coated

Product Specifications

(PLEASE REVIEW THE FOLLOWING PRODUCT SPECIFICATIONS & FOOTNOTES THOROUGHLY)

  • Tube Diameter 1-5/8 in.
  • Tube Style Mid-Length
  • Collector Style Ball and Socket Style (Gasketless)
  • Air Conditioning Yes
  • Automatic Transmission - Column Yes
  • Automatic Transmission - Floor Yes
  • Manual Transmission - Column No
  • Manual Transmission - Floor No
  • Collector Size 3 in.
  • Reducer Outlet Size 2-1/2 in.
  • Exhaust System Dia 2-1/2 in.
  • E.O. # No
  • Emissions Notes NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.
  • Engine Chevy SB 283-400 (Gen 1) D-Port
  • Finish BLACK MAXX Satin Black Ceramic-Metallic
  • Flange Style Standard
  • Flange Thickness 1/4 in.
  • Header Port Shape D-Port
  • Header Style Mid-Length Tube
  • Notes 64-94 Various Chevy Car 283-400
  • Key Feature D-Port Heads
  • Port Shape D-port
  • Power Steering Yes
  • Material Mild Steel
  • Special Engine Notes D-PORT
  • Tube Design MID-LENGTH
  • Tube Material Thickness 18g
  • Variations 68609, 66609 & 63609.
  • with A.I.R. System No
  • with EGR No
  • Weld-Up No
  • Tuned No
  • Bolts/Studs Included Yes
  • Catalytic Converter(s) Included No
  • Collector Bolts Included Yes
  • Crossover Pipe Included No
  • Gasket Or Seal Included Yes
  • Installation Hardware Included Yes
  • Mounting Hardware Included Yes
  • Reducers Included Yes
  • Y-Pipe Included No
  • Quantity Sold as a pair.
  • Package Contents Set of Headers, mounting hardware and gaskets
  • Cylinder Head Port Shape D-port
  • Cylinder Head Stock Profile Heads
  • Header Construction Standard-Duty
  • Replacement Gasket 27690
  • California Proposition 65 WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov

Vehicle Applications

      YearC.I.D.LiterCylindersDrive Type
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (131) Chevy engine.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      YearC.I.D.LiterCylindersDrive Type
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      YearC.I.D.LiterCylindersDrive Type
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      YearC.I.D.LiterCylindersDrive Type
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningA/C equipped vehicles may require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      YearC.I.D.LiterCylindersDrive Type
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      YearC.I.D.LiterCylindersDrive Type
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      YearC.I.D.LiterCylindersDrive Type
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      YearC.I.D.LiterCylindersDrive Type
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      YearC.I.D.LiterCylindersDrive Type
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorNo
      Footnotes(1) Without smog injection or injection heads.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (121) Must modify rotary A/C bracket.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Will not fit (Saginaw) close ratio P/S with 825 power steering box.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1) D-PORTS
      Vehicle Specific Information
      Air Conditioning1970 or later large piston A/C compressors require Hedman A/C Bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - Colum