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Spectre 421

Exhaust Gaskets SB-Chevy 265-400

Spectre 421

865-421

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Spectre 421 Exhaust Gaskets SB-Chevy 265-400 $19.99
Exhaust Gaskets
  • SB-Chevy 265-400
  • Rectangle Port: 1.45" x 1.55"
  • 1/8" Thick

  • Specifications:

    Gasket Material
    Compressed ceramic fiber
    Weight (lbs.)
    0.5 lb (0.2 kg)
    Package Quantity
    2
    Thickness
    0.125 in (3 mm)
    Package Contents
    2 Gaskets
    Product Style
    Spectre Gaskets
    Manufacturer's Part Number:
    421

    All Spectre Header Gaskets are made from Compressed Ceramic Fiber (CCF). CCF far exceeds typical non-asbestos type gaskets and will not deteriorate or crack from excessive heat or pressure. Made extra thick to provide superior sealing even on uneven or warped header flanges.


    Features:
  • Extra Thick 1/8" or Standard 1/16" Compressed Ceramic Fiber
  • Will Not Deteriorate or Crack from Excessive Heat & Pressure
  • Conforms to Warped Header Flanges
  • Stops Header Leaks
  • 2 Per Package

  • Does Spectre 421 fit your vehicle?

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    Aspiration

    1992-1993 CHEVROLET C2500 PICKUP

    • CC: 5735
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CHEYENNE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1990 GMC JIMMY

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978 GMC K25 SUBURBAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1979 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 6.6
    • SubModel: CUSTOM DELUXE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972 CHEVROLET CHEVELLE

    • CC: 5737
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1992 GMC K1500 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: SIERRA SLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 CHEVROLET MALIBU

    • CC: 5737
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • Aspiration: N
    • SubModel: ESTATE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988 CHEVROLET CAMARO

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1981 GMC CABALLERO

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: CONQUISTA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 OLDSMOBILE OMEGA

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1968 GMC K15/K1500 SUBURBAN

    • CC: 5358
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1986-1988 GMC G35/G3500 VAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: RALLY CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 GMC C1500 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1990 CHEVROLET BLAZER

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979 CHEVROLET NOVA

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1977 CHEVROLET C30 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 CHEVROLET CAPRICE

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 6.6
    • SubModel: CLASSIC ESTATE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978-1980 GMC C1500 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: HEAVY HALF
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 GMC C35/C3500 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: SIERRA GRANDE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1978 GMC C35/C3500 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982-1987 CHEVROLET CAMARO

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: SPORT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1986-1988 CHEVROLET CAPRICE

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978 GMC C35/C3500 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1987 CHEVROLET V20 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1994 CHEVROLET C2500 PICKUP

    • CC: 5735
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988 CHEVROLET R30 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 CHEVROLET MALIBU

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CLASSIC LANDAU
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982-1985 GMC K1500 SUBURBAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1984 CHEVROLET BLAZER K5

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1972 CHEVROLET CHEVELLE

    • CC: 5737
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: NOMAD
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1995 CHEVROLET G30 VAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: BEAUVILLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 CHEVROLET G30 VAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • EngineType: ALL
    • SubModel: BEAUVILLE

    1975-1979 CHEVROLET K20 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 6.6
    • SubModel: SCOTTSDALE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1966-1968 CHEVROLET EL CAMINO

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.4
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1972 CHEVROLET EL CAMINO

    • CC: 5737
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986 CHEVROLET K20 SUBURBAN

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 CHEVROLET C30 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977 BUICK CENTURY

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1973-1974 CHEVROLET BEL AIR

    • CC: 5737
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: T
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 GMC V1500 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 CHEVROLET MONZA

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1967-1968 CHEVROLET C20 PICKUP

    • CC: 5358
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1976-1979 GMC G35/G3500 VAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 6.6
    • SubModel: VANDURA SPECIAL
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976 CHEVROLET MONZA

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1968 GMC K25/K2500 PICKUP

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1972-1973 CHEVROLET K30 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1980 CHEVROLET C20 SUBURBAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: CUSTOM DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1968 GMC K15/K1500 SUBURBAN

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1990-1995 CHEVROLET K1500 PICKUP

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: WT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1986 GMC C3500 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1988-1995 GMC K2500 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: SIERRA SLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1980 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 GMC SPRINT

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 6.6
    • SubModel: SIERRA MADRE DEL SUR
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1990 GMC V1500 SUBURBAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: SLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 CHEVROLET G20 VAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BEAUVILLE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1973 CHEVROLET MALIBU

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: ESTATE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1982-1986 CHEVROLET C10 SUBURBAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1979 CHEVROLET CORVETTE

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • EngineType: ALL
    • SubModel: ALL

    1987 GMC V2500 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968 CHEVROLET C10 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.4
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1974 CHEVROLET MALIBU

    • CC: 5737
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • Aspiration: N
    • SubModel: ESTATE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 CHEVROLET NOVA

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: CONCOURS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1981-1986 CHEVROLET C20 SUBURBAN

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977-1995 GMC G25/G2500 VAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: RALLY
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977-1979 CHEVROLET K10 PICKUP

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977-1978 GMC C25 SUBURBAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: HIGH SIERRA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980 GMC K1500 SUBURBAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 6.6
    • SubModel: HIGH SIERRA
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978-1980 CHEVROLET C10 SUBURBAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1964-1967 CHEVROLET MALIBU

    • CC: 4638
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1977-1978 GMC K35 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973 CHEVROLET EL CAMINO

    • CC: 6555
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 6.6
    • SubModel: CUSTOM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975 CHEVROLET IMPALA

    • CC: 5735
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1980 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1973 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1987 CHEVROLET V20 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1977 GMC C1500 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1994-1995 CHEVROLET K2500 PICKUP

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980 GMC K3500 PICKUP

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 6.6
    • SubModel: SIERRA GRANDE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1968 CHEVROLET K20 PICKUP

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1979 CHEVROLET CAMARO

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: RALLY SPORT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1980 GMC CABALLERO

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: LAREDO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1972 CHEVROLET CHEVELLE

    • CC: 5737
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972 CHEVROLET BLAZER

    • CC: 5736
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1979 OLDSMOBILE OMEGA

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1979 PONTIAC FIREBIRD

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1980 OLDSMOBILE CUTLASS SALON

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977-1979 CHEVROLET C10 SUBURBAN

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983-1984 PONTIAC FIREBIRD

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: S/E
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1972 CHEVROLET CORVETTE

    • CC: 5737
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1965-1967 CHEVROLET CHEVY II

    • CC: 5358
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1978-1980 BUICK CENTURY

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: LIMITED
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1989-1990 CHEVROLET CAPRICE

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • EngineType: ALL
    • SubModel: CLASSIC BROUGHAM

    1977-1979 CHEVROLET IMPALA

    • CC: 5031
    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.0
    • SubModel: LANDAU
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1992-1993 CHEVROLET BLAZER

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • EngineType: ALL
    • SubModel: SILVERADO

    1980 CHEVROLET CAPRICE

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: CLASSIC SPORT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968-1969 CHEVROLET CAMARO

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.4
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1975-1978 GMC K15 SUBURBAN

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 CHEVROLET CAMARO

    • Fitment_Note: Race Size Square Ports 1.45 Inch x 1.55 Inch 1/8 Inch Thick
    • EngineType: ALL
    • SubModel: Z28
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