62300-1963-82 Corvette 283-400 304 Stainless Steel 62300-1963-82 Corvette 283-400 304 Stainless Steel Photo of Hedman Hedders for 1963-82 Corvette 283-400 304 Stainless Steel What happens when you use standard headers on aftermarket cylinder heads? 62300-1963-82 Corvette 283-400 304 Stainless Steel
What happens when you use standard headers on aftermarket cylinder heads?

STAINLESS STEEL Hedders; 1-5/8" Tube Dia; 3" Coll; FULL LENGTH Design-UNCOATED

STAINLESS STEEL Hedders; 1-5/8" Tube Dia.; 3" Coll.; FULL LENGTH Design- UNCOATED

Product Specifications

(PLEASE REVIEW THE FOLLOWING PRODUCT SPECIFICATIONS & FOOTNOTES THOROUGHLY)

  • Tube Diameter 1-5/8"
  • Tube Style Long Tube
  • 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 Yes
  • Collector Attachment 3"
  • Collector Size 3"
  • Contents One pair of headers, head flange gaskets, collector flange gaskets (when applicable), 3-bolt exhaust adapters, mounting 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"
  • Finish Uncoated
  • Flange Style Standard
  • Flange Thickness 0.375"
  • Header Style Long Tube
  • Notes 63-82 Corvette 283-400
  • Power Steering Yes
  • Product Info Manufactured using 304 Stainless steel. Sturdy 3/8" Flanges and 16 gauge tubing
  • Material T304 Stainless Steel
  • Tube Design LONG TUBES
  • Tube Length Long Tubes
  • Tube Material Thickness 16g
  • Tube Size 1-5/8"
  • Variations 68306, 68308, 62306
  • with A.I.R. System No
  • with EGR No
  • Weld-Up No
  • Reducer Outlet Size 2-1/2"
  • 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 One pair of headers, head flange gaskets, collector flange gaskets (when applicable), 3-bolt exhaust adapters, mounting hardware
  • Header Material T304 Stainless Steel
  • Header Finish Raw
  • Cylinder Head Port Shape Oval
  • Cylinder Head Fits Factory GM Aluminum or Cast Iron, Angle Plug and Straight Plug Heads.
  • Header Construction T304 Stainless
  • Replacement Gasket 27520
  • Replacement Head Flange Gasket 27520
  • 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 Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (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.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (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.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (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.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (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.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (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.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (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.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (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.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (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.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (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.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (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.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (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.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (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.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE: Not applicable or intended for street or highway use on '75-later vehicles. Legal for racing only, and never used on a highway or public road.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE: Not applicable or intended for street or highway use on '75-later vehicles. Legal for racing only, and never used on a highway or public road.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE: Not applicable or intended for street or highway use on '75-later vehicles. Legal for racing only, and never used on a highway or public road.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE: Not applicable or intended for street or highway use on '75-later vehicles. Legal for racing only, and never used on a highway or public road.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE: Not applicable or intended for street or highway use on '75-later vehicles. Legal for racing only, and never used on a highway or public road.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE: Not applicable or intended for street or highway use on '75-later vehicles. Legal for racing only, and never used on a highway or public road.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE: Not applicable or intended for street or highway use on '75-later vehicles. Legal for racing only, and never used on a highway or public road.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE: Not applicable or intended for street or highway use on '75-later vehicles. Legal for racing only, and never used on a highway or public road.
      Vehicle Specific Information
      Air Conditioning1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (100) Will not fit steering damper inside front crossmember.
      (103) Will fit with angle plug heads (Chevy aluminum only, L98).
      (6) Modification to stock exhaust required to retain catalytic converter.
      Emissions NotesNOT LEGAL FOR STREET USE: Not applicable or intended for street or highway use on '75-later vehicles. Legal for racing only, and never used on a highway or public road.
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