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Hedman Standard Duty Uncoated Full Length Headers for 1984-91 Corvette 283-400

500-68440

made in usa

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Hedman 68440
$210.99
Standard-Duty Uncoated Full-Length Headers
  • 1984-91 Corvette 283-400
  • Tube Size: 1-5/8"
  • Collector Size: 3"
  • Free Shipping - Ships directly from the manufacturer on 01/19/21

    Thank you! We will notify you when this product becomes available.

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    Does Hedman 68440 fit your vehicle?

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    1988 CHEVROLET CORVETTE

    • Liter: 5.7
    • SubModel: 35TH ANNIVERSARY EDITION
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (203) Non-E.G.R. equipped; 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.; Engine Family: SB Chevy 283-400 (Gen 1)
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: 8

    1990 CHEVROLET CORVETTE

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (203) Non-E.G.R. equipped; 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.; Engine Family: SB Chevy 283-400 (Gen 1)
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: 8
    68440 is rated 4.5 out of 5 by 2.
    Rated 4 out of 5 by from Good bang for the buck The only issue I had was I had to dent one of the primary pipes a little in order to get one of the spark plugs in. Other than that they sound and look good.
    Date published: 2020-03-20
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    What does the 283 - 400 indicate?

    Asked by: Mike4422
    The different engine sizes that this header will work with.
    Answered by: Rusty B
    Date published: 2018-07-26

    Will these work on a 92 vette with the LT1 engine?

    Asked by: Vetteguy31396
    No, but these will work on your Corvette - https://www.jegs.com/i/Dougs-Headers/776/D305-R/10002/-1
    Answered by: Rusty B
    Date published: 2018-06-28

    What type of modification needs to be done to the a/c bracket?

    Asked by: Steve1396
    This will depend on the type of A/C system you are using - here is a link to the instructions for more detail - https://www.jegs.com/InstallationInstructions/500/500/500-68440.pdf
    Answered by: Rusty B
    Date published: 2018-05-14
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