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Hedman Standard Duty Uncoated Full Length Headers for 1963-82 Corvette 283-400

500-68300

made in usa

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Hedman 68300
$210.99
2 left in stock
Standard Duty Uncoated Full Length Headers
  • 1963-82 Corvette 283-400
  • Tube Size: 1-5/8"
  • Collector Size: 3"
  • Free Shipping - Ships
    Save $10 off $299, $20 off $599, $30 off $799, $100 off $1,599 Orders. Promo Code: JULY4 exclusions apply
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    1970 CHEVROLET CORVETTE

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (100) Will not fit steering damper inside front crossmember.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Emissions Notes: 1974 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.
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: -

    1965 CHEVROLET CORVETTE

    • Liter: 5.3
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (100) Will not fit steering damper inside front crossmember.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Emissions Notes: 1974 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.
    • CUI: 327
    • Engine Type: V8 ( 5.3L / 327 )
    • Engine Vin: -

    1974 CHEVROLET CORVETTE

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (100) Will not fit steering damper inside front crossmember.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Emissions Notes: 1974 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.
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: J

    1971 CHEVROLET CORVETTE

    • Liter: 7.4
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (100) Will not fit steering damper inside front crossmember.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Emissions Notes: 1974 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.
    • CUI: 454
    • Engine Type: V8 ( 7.4L / 454 )
    • Engine Vin: -

    1981 CHEVROLET CORVETTE

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (100) Will not fit steering damper inside front crossmember.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Emissions Notes: RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: 6

    1974 CHEVROLET CORVETTE

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (100) Will not fit steering damper inside front crossmember.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Emissions Notes: 1974 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.
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: L

    1978 CHEVROLET CORVETTE

    • Liter: 5.7
    • SubModel: INDIANAPOLIS 500 PACE CAR
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (100) Will not fit steering damper inside front crossmember.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Emissions Notes: RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: 4

    1963 CHEVROLET CORVETTE

    • Liter: 5.3
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (100) Will not fit steering damper inside front crossmember.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Emissions Notes: 1974 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.
    • CUI: 327
    • Engine Type: V8 ( 5.3L / 327 )
    • Engine Vin: -

    1972 CHEVROLET CORVETTE

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (100) Will not fit steering damper inside front crossmember.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Emissions Notes: 1974 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.
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: K

    1978 CHEVROLET CORVETTE

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (100) Will not fit steering damper inside front crossmember.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Emissions Notes: RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: L

    1973 CHEVROLET CORVETTE

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (100) Will not fit steering damper inside front crossmember.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Emissions Notes: 1974 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.
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: J

    1968 CHEVROLET CORVETTE

    • Liter: 7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (100) Will not fit steering damper inside front crossmember.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Emissions Notes: 1974 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.
    • CUI: 427
    • Engine Type: V8 ( 7L / 427 )
    • Engine Vin: -
    68300 is rated 2.0 out of 5 by 1.
    Rated 2 out of 5 by from Poor fit All mounting holes had to be bored out to fit heads.
    Date published: 2015-06-16
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