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What happens when you use standard headers on aftermarket cylinder heads? Photo of dimensions for Hedman Block Hugger Headers

HTC Coated Headers; 1-5/8 in. Tube Dia; 2-1/2 in. Coll; SHORTY Design

HTC Coated Headers; 1-5/8 in. Tube Dia.; 2-1/2 in. Coll.; SHORTY Design

Part#26170
$697.86
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Product Specifications

(PLEASE REVIEW THE FOLLOWING PRODUCT SPECIFICATIONS & FOOTNOTES THOROUGHLY)

  • Tube Diameter 1-5/8 in.
  • Tube Style Shorty
  • Collector Style 3-Bolt Gasket Style Flange
  • Air Conditioning Yes
  • Automatic Transmission - Column No
  • Automatic Transmission - Floor Yes
  • Manual Transmission - Column No
  • Manual Transmission - Floor Yes
  • Collector Attachment 2-1/2 in.
  • Collector Size 2-1/2 in.
  • Contents headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware
  • E.O. # No
  • Emissions Notes NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.
  • Exhaust System Dia 2-1/2 in.
  • Finish HTC Polished Silver Ceramic-Metallic
  • Finish Type HTC SILVER (polished) Ceramic-metallic Coating
  • Flange Style Standard
  • Flange Thickness 0.25 in.
  • Header Style Mid-Length Tube
  • Notes 64-72 Pontiac GTO, LeMans, Tempest 326-455
  • Power Steering Yes
  • Installation Notes Some heads may require drilling and tapping of end bolt holes.
  • Material Mild Steel
  • Tube Design MID-LENGTH
  • Tube Length Short Tubes
  • Tube Material Thickness 16g
  • Tube Size 1-5/8 in.
  • Variations 28170
  • with A.I.R. System No
  • with EGR No
  • Weld-Up No
  • Reducer Outlet Size 2-1/2 in.
  • Tuned No
  • Bolts/Studs Included Yes
  • Catalytic Converter(s) Included No
  • Crossover Pipe Included No
  • Gasket Or Seal Included Yes
  • Installation Hardware Included Yes
  • Motor Mounts (Included) No
  • Mounting Hardware Included Yes
  • Reducers Included Yes
  • Transmission Mount/Crossmember (Included) No
  • Y-Pipe Included No
  • Quantity Sold as a pair.
  • Primary Tube Gauge 16g
  • Primary Tube Diameter (in) 1.625"
  • Package Contents Set of Headers, mounting hardware and gaskets
  • Header Material Mild Steel
  • Header Finish HTC Polished Silver Ceramic-Metallic
  • Cylinder Head Port Shape Oval
  • Cylinder Head Stock Profile Heads
  • Header Construction Standard-Duty
  • Replacement Gasket 27600
  • Replacement Head Flange Gasket 27600
  • 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 - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      YearC.I.D.LiterCylindersDrive Type
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      YearC.I.D.LiterCylindersDrive Type
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (6) Modification to stock exhaust required to retain catalytic converter.
      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 FamilyPontiac 326-455
      NotesPontiac 326-455
×