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Hedman Standard Duty HTC Coated Full-Length Headers 1988-95 GM C2500/C3500 454

500-66451


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Hedman 66451
$587.99
Standard Duty HTC Coated Full-Length Headers
  • 1988-95 GM C2500/C3500 454
  • 1-3/4" Tube, 3" Collector
  • Free Shipping - Ships directly from the manufacturer on 03/02/20
    Save $10 on $199, $20 on $299, $30 on $499, $100 on $1,199 Orders. Promo Code: WINNING exclusions apply
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    1994-1995  GMC C3500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA SL
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1994-1995  CHEVROLET C3500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1994-1995  CHEVROLET C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1994-1995  GMC C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA SL
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1991-1993  CHEVROLET C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: Z
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1991-1993  GMC C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1993  CHEVROLET C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1991-1993  GMC C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA
    • Engine Vin: J
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1988-1993  CHEVROLET C3500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1990-1993  CHEVROLET C1500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 454 SS
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1988-1993  GMC C3500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1991-1993  GMC C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1994-1995  CHEVROLET C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1988-1993  GMC C3500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1994-1995  CHEVROLET C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1991-1993  GMC C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA
    • Engine Vin: Z
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1994-1995  CHEVROLET C3500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1991-1993  CHEVROLET C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1994-1995  CHEVROLET C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 395
    • EngineType: V8 ( 6.5 L / 395 )

    1991-1993  CHEVROLET C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1994-1995  CHEVROLET C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1988-1993  GMC C3500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA
    • Engine Vin: J
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1991-1993  CHEVROLET C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: J
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1991-1993  GMC C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA
    • Engine Vin: C
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1991-1993  CHEVROLET C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1988-1993  CHEVROLET C3500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1991-1993  GMC C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1991-1993  CHEVROLET C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: C
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1994-1995  GMC C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA SL
    • Engine Vin: P
    • CUI: 395
    • EngineType: V8 ( 6.5 L / 395 )

    1988-1993  CHEVROLET C3500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: J
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1994-1995  GMC C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA SL
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1994-1995  GMC C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA SL
    • Engine Vin: Z
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1994-1995  GMC C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA SL
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1993  GMC C2500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1994-1995  GMC C3500

    • Fitment_Note: Air Conditioning: Yes; 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: (127) Late model chassis. Engine offset to passenger side of vehicle.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.; Drivetrain: 2WD; E.O. Number: D167-33; Emissions Notes: 50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA SL
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    Items You Need

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.