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Hedman Elite Ultra-Duty HTC Coated Full Length Headers 1967-92 Chevy/GMC Truck/SUV 283-400

500-69890

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Hedman 69890
$490.99
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Elite Ultra-Duty HTC Coated Full Length Headers
  • 1967-92 Chevy/GMC Truck/SUV 283-400
  • Tube Size: 1-5/8"
  • Collector Size: 3"
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    1978  GMC C15

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Z
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971-1972  CHEVROLET C10 PICKUP

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1968-1969  GMC C15/C1500 PICKUP

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1975  GMC JIMMY

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; 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.
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: Q
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1988-1991  GMC C1500

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA SLE
    • Engine Vin: Z
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1990  GMC R1500 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SLE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC JIMMY

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968-1969  GMC K15/K1500 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1987-1991  CHEVROLET BLAZER

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  GMC K2500

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979  GMC C2500

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976-1980  CHEVROLET C10

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1967-1969  GMC C15/C1500 PICKUP

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 305
    • EngineType: V6 ( 5 L / 305 )

    1975-1980  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: T
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1971  CHEVROLET C10 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1975  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Q
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1975-1976  CHEVROLET C20

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1978  GMC K25 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1980  CHEVROLET C10

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988  CHEVROLET R20 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968-1969  GMC K25/K2500 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980-1989  CHEVROLET P30

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; 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.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1981-1986  CHEVROLET K10

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  CHEVROLET K20

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1990-1991  CHEVROLET C1500

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1969-1970  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982-1983  CHEVROLET K20

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: T
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1974  GMC C15/C1500 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974  CHEVROLET K20 PICKUP

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Q
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1973  GMC C15/C1500 PICKUP

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1979-1981  GMC C1500

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Z
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1980  CHEVROLET C10 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987  CHEVROLET V20

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: T
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1976-1980  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1982-1983  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1980  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1978  GMC C15 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1967-1971  GMC C15/C1500 PICKUP

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1971  CHEVROLET C20 PICKUP

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1981  CHEVROLET K10

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1976-1978  GMC K15

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1985-1986  CHEVROLET K10

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978  GMC C25 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: T
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1973-1974  GMC JIMMY

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1971  GMC JIMMY

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1976  CHEVROLET K20

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1969-1970  GMC C15/C1500 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC K15 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975  GMC JIMMY

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  CHEVROLET K5 BLAZER

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; 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.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972-1974  CHEVROLET BLAZER

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: T
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1976-1978  GMC K25

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  GMC C25

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1968-1972  GMC K25/K2500 PICKUP

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1975  GMC K25 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974  CHEVROLET K20 PICKUP

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976  GMC K15

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1986  CHEVROLET C10

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1976  GMC JIMMY

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; 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.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979  GMC K1500 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1968  CHEVROLET C10 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1975  CHEVROLET K5 BLAZER

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; 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.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1968  GMC K25/K2500 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 351
    • EngineType: V6 ( 5.7 L / 351 )

    1985-1986  CHEVROLET C10

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969  GMC C25/C2500 PICKUP

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1975-1976  CHEVROLET K10

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 4.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: T
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1977-1978  GMC C25

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1969-1970  GMC K25/K2500 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K25 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1969  CHEVROLET BLAZER

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1977-1979  CHEVROLET K5 BLAZER

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; 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.
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975-1976  CHEVROLET K20

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971-1972  GMC K25/K2500 PICKUP

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1976-1980  CHEVROLET C10

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  CHEVROLET BLAZER

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Q
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1969  GMC K25/K2500 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1972  CHEVROLET C20 PICKUP

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1979-1986  GMC K2500

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1982  GMC JIMMY

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; 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.
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: STREET COUPE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1982-1986  CHEVROLET C20

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: C
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1979-1980  GMC C1500

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980-1986  GMC C2500 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1988  CHEVROLET R20

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970  GMC JIMMY

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987  GMC V2500

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 6.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: J
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1971  CHEVROLET C20 PICKUP

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1973-1974  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  CHEVROLET K20

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1982-1983  CHEVROLET K20

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET C20

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1976  GMC C25

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968  GMC K25/K2500 SUBURBAN

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; 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.
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1975  CHEVROLET C20

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: Q
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1988-1991  GMC C3500

    • Fitment_Note: Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (160) Early chassis only.; 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.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )
    69890 is rated 4.0 out of 5 by 3.
    Rated 5 out of 5 by from Great Headers The HTC costing and fit of these headers is excellent, it actually makes a difference keeping the underhood temps down and they still look like new. These are way better than painted headers that smoke like crazy when you first use them.
    Date published: 2015-06-23
    Rated 4 out of 5 by from High quality I ordered these hedders on Wednesday from Jegs and got them in 48 hrs. I am very pleased with the fit and finish for my '72 Chevy C10 with a ZZ4 350 ci engine with aluminum heads and angle plugs.
    Date published: 2019-12-10
    Rated 3 out of 5 by from Good heavy duty headers but coating doesn't last Very well built header , thick flanges and pipes . I bought the HTC coating but it only lasted about 5 years . I use this vehicle about 250 miles a year and I thought the coating lasted for a lifetime. With the thick flanges you don't have header gasket issues the other manufacturers have
    Date published: 2019-03-07
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    What is the difference between these and the standard duty headers? And does it affect performance?

    Asked by: C10_400
    The elite headers have a thicker flange and a thicker gauge tube, this will allow them to last longer. The performance is the same as a standard header.
    Answered by: Rusty B
    Date published: 2018-06-05
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    Items You Need

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    Motor Vehicles

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    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.