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Hedman Elite Ultra-Duty HTC Coated Full Length Headers 1968-91 Blazer/Jimmy/Suburban/Pickup 396-454

500-69821

made in usa

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Hedman 69821
$713.99
Elite Ultra-Duty HTC Coated Full Length Headers
  • 1968-91 Blazer/Jimmy/Suburban/Pickup 396-454
  • Includes Air Tubes
  • Tube Size: 1-3/4"
  • Collector Size: 3"
  • Free Shipping - Ships directly from the manufacturer on 12/09/20
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    1969 CHEVROLET C20 PICKUP

    • Liter: 6.5
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: Yes; Manual Transmission - Floor: Yes; Footnotes: (112) Must use factory big block chevy hardware and mounts.; Footnotes: (139) Must use 1975 and later model clutch linkage located at rear of engine.; Footnotes: (160) Early chassis only.; Footnotes: (213) Elite replacement gasket 27550.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (45) Not legal for sale or use in California on pollution controlled motor vehicles.; Footnotes: (5) With A.I.R. system.; 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: D167-9; Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: These headers are legal for use on '74-earlier vehicles with A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed from vehicle.
    • CUI: 396
    • Engine Type: V8 ( 6.5L / 396 )
    • Engine Vin: Y

    1968 GMC K25/K2500 SUBURBAN

    • Liter: 5.3
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: Yes; Manual Transmission - Floor: Yes; Footnotes: (112) Must use factory big block chevy hardware and mounts.; Footnotes: (139) Must use 1975 and later model clutch linkage located at rear of engine.; Footnotes: (160) Early chassis only.; Footnotes: (213) Elite replacement gasket 27550.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (5) With A.I.R. system.; 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: 4WD; E.O. Number: D167-9; Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: These headers are legal for use on '74-earlier vehicles with A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed from vehicle.
    • CUI: 327
    • Engine Type: V8 ( 5.3L / 327 )
    • Engine Vin: -

    1979 CHEVROLET C20 SUBURBAN

    • Liter: 6.6
    • SubModel: CUSTOM DELUXE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: Yes; Manual Transmission - Floor: Yes; Footnotes: (112) Must use factory big block chevy hardware and mounts.; Footnotes: (139) Must use 1975 and later model clutch linkage located at rear of engine.; Footnotes: (160) Early chassis only.; Footnotes: (213) Elite replacement gasket 27550.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (45) Not legal for sale or use in California on pollution controlled motor vehicles.; Footnotes: (5) With A.I.R. system.; 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: D167-9; Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: These headers are legal for use on '74-earlier vehicles with A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed from vehicle.
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: R

    1968 CHEVROLET K20 SUBURBAN

    • Liter: 5
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: Yes; Manual Transmission - Floor: Yes; Footnotes: (112) Must use factory big block chevy hardware and mounts.; Footnotes: (139) Must use 1975 and later model clutch linkage located at rear of engine.; Footnotes: (160) Early chassis only.; Footnotes: (213) Elite replacement gasket 27550.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (5) With A.I.R. system.; 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: 4WD; E.O. Number: D167-9; Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: These headers are legal for use on '74-earlier vehicles with A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed from vehicle.
    • CUI: 307
    • Engine Type: V8 ( 5L / 307 )
    • Engine Vin: E

    1974 GMC C25/C2500 SUBURBAN

    • Liter: 4.1
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: Yes; Manual Transmission - Floor: Yes; Footnotes: (112) Must use factory big block chevy hardware and mounts.; Footnotes: (139) Must use 1975 and later model clutch linkage located at rear of engine.; Footnotes: (160) Early chassis only.; Footnotes: (213) Elite replacement gasket 27550.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (45) Not legal for sale or use in California on pollution controlled motor vehicles.; Footnotes: (5) With A.I.R. system.; 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: D167-9; Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: These headers are legal for use on '74-earlier vehicles with A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed from vehicle.
    • CUI: 250
    • Engine Type: L6 ( 4.1L / 250 )
    • Engine Vin: Q

    1985 CHEVROLET K20 SUBURBAN

    • Liter: 7.4
    • SubModel: CUSTOM
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: Yes; Manual Transmission - Floor: Yes; Footnotes: (112) Must use factory big block chevy hardware and mounts.; Footnotes: (139) Must use 1975 and later model clutch linkage located at rear of engine.; Footnotes: (160) Early chassis only.; Footnotes: (213) Elite replacement gasket 27550.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (5) With A.I.R. system.; 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: 4WD; E.O. Number: D167-9; Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: These headers are legal for use on '74-earlier vehicles with A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed from vehicle.
    • CUI: 454
    • Engine Type: V8 ( 7.4L / 454 )
    • Engine Vin: W

    1980 CHEVROLET P30

    • Liter: 7.4
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (38) 16 gauge tubing.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (42) Square port hedder.; Footnotes: (5) With A.I.R. system.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; E.O. Number: D167-9; Notes: CHEVROLET Class A Motorhomes with a 396-454 BB Chevy
    • CUI: 454
    • Engine Type: V8 ( 7.4L / 454 )
    • Engine Vin: S

    1968 GMC K25/K2500 SUBURBAN

    • Liter: 6.5
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: Yes; Manual Transmission - Floor: Yes; Footnotes: (112) Must use factory big block chevy hardware and mounts.; Footnotes: (139) Must use 1975 and later model clutch linkage located at rear of engine.; Footnotes: (160) Early chassis only.; Footnotes: (213) Elite replacement gasket 27550.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (5) With A.I.R. system.; 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: 4WD; E.O. Number: D167-9; Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: These headers are legal for use on '74-earlier vehicles with A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed from vehicle.
    • CUI: 396
    • Engine Type: V8 ( 6.5L / 396 )
    • Engine Vin: E

    1985 CHEVROLET P30

    • Liter: 7.4
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (38) 16 gauge tubing.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (42) Square port hedder.; Footnotes: (5) With A.I.R. system.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; E.O. Number: D167-9; Notes: CHEVROLET Class A Motorhomes with a 396-454 BB Chevy
    • CUI: 454
    • Engine Type: V8 ( 7.4L / 454 )
    • Engine Vin: W

    1975 CHEVROLET C20 SUBURBAN

    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: Yes; Manual Transmission - Floor: Yes; Footnotes: (112) Must use factory big block chevy hardware and mounts.; Footnotes: (139) Must use 1975 and later model clutch linkage located at rear of engine.; Footnotes: (160) Early chassis only.; Footnotes: (213) Elite replacement gasket 27550.; Footnotes: (225) Designed for use with a Trans-Dapt throttle body spacer.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (45) Not legal for sale or use in California on pollution controlled motor vehicles.; Footnotes: (5) With A.I.R. system.; 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: D167-9; Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: These headers are legal for use on '74-earlier vehicles with A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed from vehicle.
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: V

    1968 CHEVROLET C30 PICKUP

    • Liter: 6.5
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: Yes; Manual Transmission - Floor: Yes; Footnotes: (112) Must use factory big block chevy hardware and mounts.; Footnotes: (139) Must use 1975 and later model clutch linkage located at rear of engine.; Footnotes: (160) Early chassis only.; Footnotes: (213) Elite replacement gasket 27550.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (45) Not legal for sale or use in California on pollution controlled motor vehicles.; Footnotes: (5) With A.I.R. system.; 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: D167-9; Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: These headers are legal for use on '74-earlier vehicles with A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed from vehicle.
    • CUI: 396
    • Engine Type: V8 ( 6.5L / 396 )
    • Engine Vin: E

    1975 GMC C35

    • Liter: 7.4
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: Yes; Manual Transmission - Floor: Yes; Footnotes: (112) Must use factory big block chevy hardware and mounts.; Footnotes: (139) Must use 1975 and later model clutch linkage located at rear of engine.; Footnotes: (160) Early chassis only.; Footnotes: (213) Elite replacement gasket 27550.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (45) Not legal for sale or use in California on pollution controlled motor vehicles.; Footnotes: (5) With A.I.R. system.; 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: D167-9; Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: These headers are legal for use on '74-earlier vehicles with A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed from vehicle.
    • CUI: 454
    • Engine Type: V8 ( 7.4L / 454 )
    • Engine Vin: Z

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