68400-Street Rod Universal Shorty Chev. 283-400 Angle Plug Heads Photo of Hedman Hedders Block Huggers for SB Chevy with Angle Plug Heads 68400-Street Rod Universal Shorty Chev. 283-400 Angle Plug Heads Photo of header reducers, gaskets and hardware included with Hedman Hedders This Product is MADE IN THE USA! 68400-Street Rod Universal Shorty Chev. 283-400 Angle Plug Heads
68400-Street Rod Universal Shorty Chev. 283-400 Angle Plug Heads

1-5/8 in. Block Hugger Headers For SB Chevy with Angle-Plugs

BLOCK HUGGER Headers; Chevy SB 283-400; 1-5/8 in. Tubes; Uncoated


Product Specifications

[PLEASE REVIEW THE FOLLOWING PRODUCT ATTRIBUTES & VEHICLE APPLICATION FOOTNOTES SPECIFIC TO YOUR VEHICLE, THOROUGHLY]

  • Tube Diameter 1-5/8 in.
  • Tube Style Block Huggers
  • Automatic Transmission - Column Yes
  • Automatic Transmission - Floor Yes
  • Manual Transmission - Column Yes
  • Manual Transmission - Floor Yes
  • Collector Attachment 2-1/2 in.
  • Collector Diameter 2-1/2 in.
  • Collector Size 2-1/2 in.
  • Collector Style 3-Bolt Gasket Style Flange
  • Reducer Outlet Size 2-1/2 in.
  • Exhaust System Dia 2-1/2 in.
  • Contents Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
  • 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
  • Finish Uncoated
  • Finish Type UNCOATED Mild Steel! Shipped with Temporary Paint.
  • Flange Style Standard
  • Flange Thickness 0.375 in.
  • Header Port Shape Oval Port
  • Header Style Block Huggers- Street Rod
  • Notes Street Rod Universal Shorty Chev. 283-400 Angle Plug Heads
  • Port Shape Oval
  • Material Mild Steel
  • Transmission Notes Modification to shifter linkage may be required.
  • Tube Design Standard
  • Tube Length Short Tubes
  • Tube Material Thickness 16g
  • Tube Size 1-5/8 in.
  • Variations 68406
  • 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
  • Header Fasteners Included Yes
  • Installation Hardware Included Yes
  • Motor Mounts Included No
  • Mounting Hardware Included Yes
  • Reducers Included Yes
  • Y-Pipe Included No
  • Quantity Sold as a pair.
  • Primary Tube Gauge 16g
  • Primary Tube Diameter (in) 1.625 in.
  • Package Contents Headers, reducers (exhaust adapters), gaskets, mounting hardware
  • Header Material Mild Steel
  • Header Finish Uncoated
  • Cylinder Head Port Shape Oval
  • Cylinder Head Stock Profile Heads
  • Header Construction MILD STEEL- Standard-Duty
  • Replacement Gasket 27520
  • Replacement Head Flange Gasket 27520
  • California Proposition 65 WARNING: Cancer. For more info visit www.P65Warnings.ca.gov

Vehicle Applications

      Year C.I.D. Liter Block Type Cylinders Fuel Type Drive Type
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Footnotes(103) Will fit with angle plug heads (Chevy aluminum only, L98).
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
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