Hedman Standard Duty HTC Coated Full-Length Headers 1967-79 Camaro/Chevy II/Nova 283-400
500-66277

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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 66277 fit your vehicle?
1974 CHEVROLET NOVA
- Liter: 5.7
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Air Conditioning: No; 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: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; E.O. Number: D167-33; 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.; Engine Family: SB Chevy 283-400 (Gen 1)
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: J
1977 CHEVROLET CAMARO
- Liter: 5
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Air Conditioning: Will not fit 1967-69 Camaros with A/C. - 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: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; E.O. Number: D167-27; 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.; Engine Family: SB Chevy 283-400 (Gen 1)
- CUI: 305
- Engine Type: V8 ( 5L / 305 )
- Engine Vin: U
1977 CHEVROLET CAMARO
- Liter: 5.7
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Air Conditioning: Will not fit 1967-69 Camaros with A/C. - 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: No; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; E.O. Number: D167-27; 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.; Engine Family: SB Chevy 283-400 (Gen 1)
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: L
1973 CHEVROLET CAMARO
- Liter: 5.7
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Air Conditioning: Will not fit 1967-69 Camaros with A/C. - 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: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; E.O. Number: D167-33; 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.; Engine Family: SB Chevy 283-400 (Gen 1)
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: L
1979 CHEVROLET NOVA
- Liter: 5.7
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Air Conditioning: No; 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: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; E.O. Number: D167-33; 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.; Engine Family: SB Chevy 283-400 (Gen 1)
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: L
1981 CHEVROLET CAMARO
- Liter: 5
- SubModel: BERLINETTA
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Air Conditioning: Will not fit 1967-69 Camaros with A/C. - 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: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; E.O. Number: D167-33; 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.; Engine Family: SB Chevy 283-400 (Gen 1)
- CUI: 305
- Engine Type: V8 ( 5L / 305 )
- Engine Vin: H
1974 CHEVROLET NOVA
- Liter: 5.7
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Air Conditioning: No; 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: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; E.O. Number: D167-33; 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.; Engine Family: SB Chevy 283-400 (Gen 1)
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: L
1972 CHEVROLET CAMARO
- Liter: 5.7
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Air Conditioning: Will not fit 1967-69 Camaros with A/C. - 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: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; E.O. Number: D167-33; 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.; Engine Family: SB Chevy 283-400 (Gen 1)
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: H
1973 CHEVROLET CAMARO
- Liter: 5.7
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Air Conditioning: Will not fit 1967-69 Camaros with A/C. - 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: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; E.O. Number: D167-33; 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.; Engine Family: SB Chevy 283-400 (Gen 1)
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: J
1974 CHEVROLET CAMARO
- Liter: 5.7
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Air Conditioning: Will not fit 1967-69 Camaros with A/C. - 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: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; E.O. Number: D167-33; 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.; Engine Family: SB Chevy 283-400 (Gen 1)
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: L
1968 CHEVROLET CAMARO
- Liter: 5.3
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Air Conditioning: Will not fit 1967-69 Camaros with A/C. - 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: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; E.O. Number: D167-33; 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.; Engine Family: SB Chevy 283-400 (Gen 1)
- CUI: 327
- Engine Type: V8 ( 5.3L / 327 )
- Engine Vin: -
1972 CHEVROLET NOVA
- Liter: 5.7
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Air Conditioning: No; 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: (4) Includes parts necessary to retain emission devices. (50 State); Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; E.O. Number: D167-33; 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.; Engine Family: SB Chevy 283-400 (Gen 1)
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: J
Motor Vehicles
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Electrical Cords
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