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Mr Gasket Exhaust Header Gasket Ultra-Seal Material

720-5912

made in usa

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Mr Gasket 5912
$26.87
3 left in stock
Exhaust Header Gasket
  • Ultra-Seal Material
  • 1965-90 Big Block Chevy 396-502
  • Round Port: 2.15''
  • Ships
    QTY

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    1976  GMC K15

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  GMC K15

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  CHEVROLET K30 PICKUP

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972  GMC K15/K1500 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1973-1974  GMC C15/C1500 PICKUP

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1971  CHEVROLET BISCAYNE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980  CHEVROLET C20

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  GMC SPRINT

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1973-1974  GMC SPRINT

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  CHEVROLET CAPRICE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC LANDAU
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980  GMC C1500

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  GMC C25/C2500 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1978  GMC C15

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: STREET COUPE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  CHEVROLET C10 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1971-1972  GMC SPRINT

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1989-1990  CHEVROLET R2500 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  GMC SPRINT

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  GMC K15/K1500 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1968  CHEVROLET CHEVELLE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 300
    • Engine Vin: -
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1976  GMC C15

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968  CHEVROLET CHEVY II

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: NOVA
    • Engine Vin: -
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1978-1979  CHEVROLET C10

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BIG TEN
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1974  CHEVROLET CAPRICE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  GMC C15/C1500 PICKUP

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1978  GMC C15 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • 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: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  CHEVROLET CHEVELLE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CONCOURS
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1973-1974  CHEVROLET C20 PICKUP

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  CHEVROLET BROOKWOOD

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1973  CHEVROLET BLAZER

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1978  GMC C35

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1980  CHEVROLET C10

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  CHEVROLET IMPALA

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968  GMC K15/K1500 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968  CHEVROLET K20 PICKUP

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1972  GMC C35/C3500 PICKUP

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1968-1969  CHEVROLET CAPRICE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968-1969  CHEVROLET C30 PICKUP

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1976-1980  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1978  GMC C25 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980  GMC C1500 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968  GMC K25/K2500 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1976  CHEVROLET CAPRICE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC SPORT
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  GMC K15/K1500 PICKUP

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1979-1980  GMC C1500 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1974  CHEVROLET CORVETTE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  GMC C15/C1500 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973  CHEVROLET LAGUNA

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  CHEVROLET CHEVELLE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: NOMAD
    • Engine Vin: S
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1972  CHEVROLET CHEVELLE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: GREENBRIER
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1976-1978  GMC C25

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1978  GMC C35

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1974  CHEVROLET MONTE CARLO

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LANDAU
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  CHEVROLET CHEVELLE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CONCOURS
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1973-1974  CHEVROLET CAPRICE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980  GMC C1500 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975  CHEVROLET C20

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  CHEVROLET K30 PICKUP

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1977  GMC K25 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  CHEVROLET CORVETTE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1963  CHEVROLET BEL AIR

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 427
    • EngineType: V8 ( 7 L / 427 )

    1975  GMC C25 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1971  CHEVROLET EL CAMINO

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: -
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1977-1978  GMC K25

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1980  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  CHEVROLET K5 BLAZER

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  CHEVROLET C20 PICKUP

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968-1969  GMC C15/C1500 PICKUP

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968  CHEVROLET K30 PICKUP

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1973-1974  CHEVROLET MALIBU

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  GMC K25

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973  CHEVROLET CHEVELLE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  CHEVROLET CHEVELLE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 300 DELUXE
    • Engine Vin: -
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1976  CHEVROLET K10

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  GMC C15

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1971  GMC C15/C1500 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1975  GMC C25

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987  CHEVROLET R20 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  GMC C15/C1500 PICKUP

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1980  GMC C1500 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975  GMC C15 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  GMC C25/C2500 PICKUP

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1980  CHEVROLET C30

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1971  CHEVROLET EL CAMINO

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SS
    • Engine Vin: -
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  CHEVROLET KINGSWOOD

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • Engine Vin: V
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1978  GMC C25

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  CHEVROLET IMPALA

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1971  GMC SPRINT

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980  GMC C1500

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  CHEVROLET CAPRICE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  CHEVROLET KINGSWOOD

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1970-1972  GMC C25/C2500 PICKUP

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1974  CHEVROLET LAGUNA

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: TYPE S-3
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980-1986  CHEVROLET C30

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1971  CHEVROLET CHEVELLE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: GREENBRIER
    • Engine Vin: -
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1969  CHEVROLET C20 SUBURBAN

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1979-1980  GMC C2500

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  CHEVROLET MONTE CARLO

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1970-1971  CHEVROLET CAPRICE

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  GMC SPRINT

    • Fitment_Note: Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )
    5912 is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from Great product Always seals great and stays sealed only header gasket I will use on my 555
    Date published: 2019-08-20
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    Items You Need

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    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.

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    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.

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