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Hedman Standard Duty HTC Coated Full-Length Headers 1967-81 GM K/V Series Truck/SUV 283-400

500-66231

made in usa

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Hedman 66231
$644.99
Standard Duty HTC Coated Full-Length Headers
  • 1967-81 GM K/V Series Truck/SUV 283-400
  • 1-5/8" Tube, 3" Collector
  • EO#D167-27
  • Free Shipping - Ships directly from the manufacturer on 12/03/20
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    1980 CHEVROLET K20

    • Liter: 6.6
    • SubModel: CHEYENNE
    • 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: Yes; Manual Transmission - Floor: Yes; 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: (230) This model is recommended for use with lift kits.; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (212) Elite replacement gasket 27520.; Drivetrain: 4WD; E.O. Number: D167-27; 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: X

    1970 CHEVROLET K20 PICKUP

    • 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: Yes; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (212) Elite replacement gasket 27520.; 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: (230) This model is recommended for use with lift kits.; Drivetrain: 4WD; E.O. Number: D167-27; 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: E

    1973 GMC JIMMY

    • Liter: 4.8
    • 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: Yes; Manual Transmission - Floor: Yes; 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: (47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (5) With A.I.R. system.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (230) This model is recommended for use with lift kits.; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (212) Elite replacement gasket 27520.; Drivetrain: 4WD; E.O. Number: D167-27; 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: 292
    • Engine Type: L6 ( 4.8L / 292 )
    • Engine Vin: T

    1971 GMC K25/K2500 SUBURBAN

    • Liter: 4.1
    • 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: Yes; Manual Transmission - Floor: Yes; Footnotes: (230) This model is recommended for use with lift kits.; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (212) Elite replacement gasket 27520.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (5) With A.I.R. system.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Drivetrain: 4WD; E.O. Number: D167-27; 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: N

    1989 GMC K2500

    • Liter: 5.7
    • SubModel: SIERRA
    • 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: Yes; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (212) Elite replacement gasket 27520.; 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: (230) This model is recommended for use with lift kits.; Drivetrain: 4WD; E.O. Number: D167-27; 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: K

    1978 CHEVROLET K20

    • Liter: 5
    • SubModel: CHEYENNE
    • 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: Yes; Manual Transmission - Floor: Yes; 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: (230) This model is recommended for use with lift kits.; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (212) Elite replacement gasket 27520.; Drivetrain: 4WD; E.O. Number: D167-27; 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: 305
    • Engine Type: V8 ( 5L / 305 )
    • Engine Vin: U

    1975 CHEVROLET K20

    • Liter: 5.7
    • SubModel: CHEYENNE
    • 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: Yes; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (230) This model is recommended for use with lift kits.; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (212) Elite replacement gasket 27520.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (5) With A.I.R. system.; Drivetrain: 4WD; E.O. Number: D167-27; 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: Y

    1967 CHEVROLET K10 PICKUP

    • Liter: 4.6
    • 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: Yes; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (212) Elite replacement gasket 27520.; 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: (230) This model is recommended for use with lift kits.; Drivetrain: 4WD; E.O. Number: D167-27; 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: 283
    • Engine Type: V8 ( 4.6L / 283 )
    • Engine Vin: -

    1979 CHEVROLET K20 SUBURBAN

    • Liter: 6.6
    • SubModel: CUSTOM DELUXE
    • 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: Yes; Manual Transmission - Floor: Yes; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (5) With A.I.R. system.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (230) This model is recommended for use with lift kits.; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (212) Elite replacement gasket 27520.; Drivetrain: 4WD; E.O. Number: D167-27; 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

    1977 GMC JIMMY

    • 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: Yes; Manual Transmission - Floor: Yes; 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: (47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (5) With A.I.R. system.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (230) This model is recommended for use with lift kits.; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (212) Elite replacement gasket 27520.; Drivetrain: 4WD; E.O. Number: D167-27; 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: L

    1986 GMC K2500 SUBURBAN

    • 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: Yes; Manual Transmission - Floor: Yes; Footnotes: (230) This model is recommended for use with lift kits.; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (212) Elite replacement gasket 27520.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (5) With A.I.R. system.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Drivetrain: 4WD; E.O. Number: D167-27; 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: M

    1970 GMC K15/K1500 SUBURBAN

    • Liter: 4.1
    • 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: Yes; Manual Transmission - Floor: Yes; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (5) With A.I.R. system.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (230) This model is recommended for use with lift kits.; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (212) Elite replacement gasket 27520.; Drivetrain: 4WD; E.O. Number: D167-27; 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: N

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