Hedman Standard Duty HTC Coated Full-Length Headers 1975-95 Chevy P30 454 & Class A Motorhome
500-69126

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Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing long and MID-LENGTH tube headers for Pontiac models for decades. 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 have a high temperature POLISHED-SILVER ceramic finish that resists corrosion, and can withstand temperatures up to 1400 degree F. Each set includes a pair of header gaskets, header flange bolts and collector bolts. No collector gasket is needed. Hedman Hedders is so confident in the quality of its headers that these headers are factory backed by a Limited Lifetime Warranty. Made in the USA Features: NOTE: Installing coated headers on an engine during the break-in period will cause discoloration. The use of factory manifolds or an old set of headers is recommended while breaking in an engine.
Does Hedman 69126 fit your vehicle?
1971 GMC C15/C1500 PICKUP
- Liter: 6.6
- 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: Yes; Footnotes: (1) Without smog injection or injection heads.; 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.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
- CUI: 402
- Engine Type: V8 ( 6.6L / 402 )
- Engine Vin: E
1970 CHEVROLET C20 PICKUP
- Liter: 4.8
- 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: Yes; Footnotes: (1) Without smog injection or injection heads.; 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.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
- CUI: 292
- Engine Type: L6 ( 4.8L / 292 )
- Engine Vin: S
1985 GMC K3500
- Liter: 7.4
- SubModel: HIGH SIERRA
- 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: Yes; 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.; Footnotes: (1) Without smog injection or injection heads.; 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: (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.
- CUI: 454
- Engine Type: V8 ( 7.4L / 454 )
- Engine Vin: W
1982 GMC C2500
- Liter: 4.8
- SubModel: SIERRA CLASSIC
- 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: Yes; 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.; Footnotes: (1) Without smog injection or injection heads.; 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: (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.
- CUI: 292
- Engine Type: L6 ( 4.8L / 292 )
- Engine Vin: T
1980 CHEVROLET C30
- Liter: 4.8
- 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: No; Manual Transmission - Floor: Yes; 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.; Footnotes: (1) Without smog injection or injection heads.; 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: (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.
- CUI: 292
- Engine Type: L6 ( 4.8L / 292 )
- Engine Vin: T
1972 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: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; 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.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
- CUI: 250
- Engine Type: L6 ( 4.1L / 250 )
- Engine Vin: D
1974 CHEVROLET C20 PICKUP
- 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: Yes; 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.; Footnotes: (1) Without smog injection or injection heads.; 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.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
- CUI: 454
- Engine Type: V8 ( 7.4L / 454 )
- Engine Vin: L
1969 GMC K35/K3500 PICKUP
- 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: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; 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.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
- CUI: 305
- Engine Type: V6 ( 5L / 305 )
- Engine Vin: -
1969 GMC K25/K2500 PICKUP
- 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: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; 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.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
- CUI: 307
- Engine Type: V8 ( 5L / 307 )
- Engine Vin: E
1988 CHEVROLET R20
- Liter: 7.4
- SubModel: SILVERADO
- 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: Yes; 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.; Footnotes: (1) Without smog injection or injection heads.; 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: (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.
- CUI: 454
- Engine Type: V8 ( 7.4L / 454 )
- Engine Vin: N
1986 GMC C3500
- 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: Yes; 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.; Footnotes: (1) Without smog injection or injection heads.; 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.; Emissions Notes: RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
- CUI: 454
- Engine Type: V8 ( 7.4L / 454 )
- Engine Vin: W
1972 GMC K25/K2500 PICKUP
- Liter: 5.7
- 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: Yes; Footnotes: (1) Without smog injection or injection heads.; 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.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: H
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.