Hedman Standard Duty Uncoated Full Length Headers for 1984-91 Corvette 283-400
500-68440
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GM Cars
Specifications:
Each set uses mild steel, smooth flowing, CNC mandrel bent tubes, that are hand-welded to ensure each pair is identical to the next. Hedman's unique, gasketless ball and socket collector design allows your vehicle's exhaust system to bolt up, even if it is not perfectly aligned with the header collectors. These headers are uncoated, and ship from the factory with a temporary black paint that will burn off when submitted to normal operating temperatures. Each set includes a pair of gaskets, header flange bolts and collector bolts. No collector gasket is needed. For the ultimate protection from the elements, click the following link to view Hedman's own HTC Hi-Tech Coated Headers.
Does Hedman 68440 fit your vehicle?
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
What does the 283 - 400 indicate?
Will these work on a 92 vette with the LT1 engine?
What type of modification needs to be done to the a/c bracket?
Motor Vehicles
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Electrical Cords
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