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Weiand Street Warrior Aluminum Intake Manifold Big Block Chevy 396-427 with Peanut Port Heads

925-8122P


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Weiand 8122P
$334.95
Street Warrior Aluminum Intake Manifold
  • Big Block Chevy 396-427 with Peanut Port Heads
  • Dual Pattern Carb Flange
  • Polished
  • Free Shipping - Ships directly from the manufacturer
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    Does Weiand 8122P fit your vehicle?

    Narrow Results

    1979-1980  GMC C2500

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  GMC C35/C3500 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1975  GMC C25 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  CHEVROLET C10 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  GMC C15/C1500 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968-1969  CHEVROLET K20 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1981-1986  CHEVROLET K30

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  CHEVROLET G10 VAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980-1982  GMC C3500

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  CHEVROLET K30 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968-1969  CHEVROLET K10 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1973-1974  CHEVROLET G30 VAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968  CHEVROLET K20 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1969  GMC C25/C2500 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1980-1986  GMC C3500

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1980-1981  CHEVROLET C30

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1977-1978  CHEVROLET K5 BLAZER

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  GMC K35/K3500 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1975  GMC C15 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1984-1986  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  CHEVROLET K10

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1978  GMC C25

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980  GMC K1500

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1974  GMC C25/C2500 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  CHEVROLET K20 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1973-1974  CHEVROLET K20 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1979-1980  GMC K3500

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980  GMC C1500 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1978  GMC C15

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: STREET COUPE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975  GMC C35

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970  CHEVROLET C10 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1968-1969  GMC C15/C1500 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968-1969  GMC C15/C1500 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1981  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972  CHEVROLET C30 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1973-1974  GMC C15/C1500 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980-1986  CHEVROLET C20

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972  GMC K15/K1500 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1976  GMC K25 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980-1982  GMC C2500 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1977-1978  GMC C15

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HEAVY HALF
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980  CHEVROLET C10

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  GMC C15/C1500 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1968-1969  CHEVROLET C20 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1969  GMC C25/C2500 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1976  CHEVROLET K10

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1978  GMC C25

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  GMC C15/C1500 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972  GMC C15/C1500 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1979-1980  GMC K3500

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  CHEVROLET K20 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980  GMC C2500

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980  GMC K3500

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980  GMC C1500

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  GMC C15/C1500 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1969  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1985  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  GMC C25 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1978  GMC C15

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: STREET COUPE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  GMC C35/C3500 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1980  CHEVROLET K30

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1978  CHEVROLET K20

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975  GMC C35

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  GMC C35

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980-1986  GMC C2500 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1980  CHEVROLET C30

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  CHEVROLET C30 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1979-1980  GMC C1500 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972  GMC C15/C1500 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1973-1974  GMC C35/C3500 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  GMC K25

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1978-1979  CHEVROLET C10

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BIG TEN
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975  GMC C25

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972  CHEVROLET C10 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1971  CHEVROLET C20 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1976-1980  CHEVROLET C30

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980  CHEVROLET K10

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  GMC C25/C2500 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1968-1969  CHEVROLET C10 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1980  GMC C1500 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972  GMC C25/C2500 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1968-1969  CHEVROLET C30 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1977-1978  GMC K25

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1977  CHEVROLET K30

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980-1982  GMC C2500

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  CHEVROLET C20 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1974  GMC K15/K1500 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1980  CHEVROLET C10 SUBURBAN

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1981-1986  GMC K3500

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973  GMC JIMMY

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  CHEVROLET C20 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1978  GMC C25

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972  CHEVROLET C30 PICKUP

    • Fitment_Note: Power Band Idle-5500 RPM; Low Rise; w/Peanut Port Heads; Square/Spread Bore; Shiny Polished Finish; Legal Only For Off-Highway Use Or Racing~ This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles~ The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles; 1968 and newer U.S. manufactured Federally Certified vehicles; 1968 and newer Foreign manufactured vehicle~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Uncontrolled [Non-Emissions Controlled] Vehicles: 1965 and older U.S. manufactured California Certified vehicles; 1967 and older U.S. manufactured Federally Certified vehicles; 1967 and older Foreign manufactured vehicle~ The f
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    Items You Need

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.