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Cometic Gaskets Buick V6 Head Gasket Stage I & II

245-C5692-051

made in usa

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Cometic Gaskets C5692-051
$80.54
Buick V6 Head Gasket
  • Stage I & II
  • Bore: 4.020"
  • Compressed Thickness: .051"
  • Ships on 12/19/19
    Save $10 off $150+, $20 off $250+, $40 off $500+, $100 off $1,000+ Orders. Promo Code: SANTA exclusions apply
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    1997-2002  PONTIAC GRAND PRIX

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SE
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1988-1989  BUICK RIVIERA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: T-TYPE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1999  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LS
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1988-1991  PONTIAC BONNEVILLE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SSE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  PONTIAC CATALINA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978-1980  CHEVROLET MONZA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 2+2 SPYDER
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  PONTIAC GRAND LEMANS

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  PONTIAC LEMANS

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978-1981  BUICK CENTURY

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LIMITED
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1987  OLDSMOBILE 98

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: REGENCY
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  CHEVROLET MALIBU

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1986-1988  OLDSMOBILE DELTA 88

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ROYALE BROUGHAM
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980  CHEVROLET CAMARO

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1991-1994  BUICK PARK AVENUE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1975-1977  BUICK SKYHAWK

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  PONTIAC PHOENIX

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1991-1993  OLDSMOBILE 98

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: TOURING
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1982-1985  BUICK LESABRE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1987-1988  OLDSMOBILE CUTLASS CIERA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1995-1999  OLDSMOBILE 88

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ROYALE LS
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  OLDSMOBILE OMEGA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    2004  PONTIAC GRAND PRIX

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: GT1
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978-1987  BUICK REGAL

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  CHEVROLET EL CAMINO

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ROYAL KNIGHT
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  CHEVROLET MALIBU

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LANDAU
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1987  OLDSMOBILE TORONADO

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: TROFEO
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1976-1977  PONTIAC SUNBIRD

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    2004-2005  CHEVROLET IMPALA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: SUPERCHARGED
    • SubModel: SS
    • Engine Vin: 1
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  BUICK CENTURY

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LIMITED
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  OLDSMOBILE DELTA 88

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: SPORT
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1992-1993  OLDSMOBILE 98

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: SUPERCHARGED
    • SubModel: TOURING
    • Engine Vin: 1
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  CHEVROLET MALIBU

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: POLICE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1992-2003  PONTIAC BONNEVILLE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: SUPERCHARGED
    • SubModel: SSEI
    • Engine Vin: 1
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1991  BUICK REATTA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977-1980  OLDSMOBILE STARFIRE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: GT
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1992-1994  OLDSMOBILE 88

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ROYALE LS
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1981  PONTIAC LAURENTIAN

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1983  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CL
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1992-1994  PONTIAC BONNEVILLE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SE
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1986  BUICK REGAL

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: T-TYPE
    • Engine Vin: 7
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980-1981  OLDSMOBILE CUTLASS

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1988  OLDSMOBILE CUTLASS CIERA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1989  PONTIAC FIREBIRD

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: TRANS AM GTA SE
    • Engine Vin: 7
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1997-2003  PONTIAC GRAND PRIX

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: GT
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  PONTIAC GRAND AM

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  PONTIAC LEMANS

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SPORT
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1986-1987  BUICK REGAL

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: GRAND NATIONAL
    • Engine Vin: 7
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980  CHEVROLET IMPALA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SPORT
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1992-1995  OLDSMOBILE SILHOUETTE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  CHEVROLET EL CAMINO

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978-1980  BUICK SKYHAWK

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: S
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1986-1988  OLDSMOBILE CUTLASS CIERA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: S
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  BUICK REGAL

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1988-1990  BUICK ELECTRA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: T-TYPE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1995-2005  BUICK PARK AVENUE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  GMC CABALLERO

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LAREDO
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978-1980  GMC CABALLERO

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LAREDO
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977-1980  OLDSMOBILE STARFIRE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SX
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1988-1990  OLDSMOBILE 98

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: REGENCY
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980-1982  CADILLAC DEVILLE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1984-1985  BUICK RIVIERA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: LUXURY
    • Engine Vin: 9
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1987  PONTIAC BONNEVILLE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1984-1986  PONTIAC BONNEVILLE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1987-1988  PONTIAC BONNEVILLE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LE
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1982-1983  BUICK REGAL

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE WAGON
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    2004-2005  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: SUPERCHARGED
    • SubModel: SS
    • Engine Vin: 1
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  BUICK CENTURY

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SPECIAL
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  OLDSMOBILE CUTLASS SALON

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  OLDSMOBILE OMEGA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1991-1993  BUICK RIVIERA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LUXURY
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1982  BUICK RIVIERA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LIMITED EDITION
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1980-1982  CADILLAC DEVILLE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CABRIOLET
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1982  PONTIAC BONNEVILLE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1979-1980  CHEVROLET MALIBU

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC ESTATE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980-1984  BUICK LESABRE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LIMITED
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1980-1981  BUICK RIVIERA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: BASE
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    2005-2009  BUICK LACROSSE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CXL
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1991-1992  OLDSMOBILE TORONADO

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1993-1999  PONTIAC BONNEVILLE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: SUPERCHARGED
    • SubModel: SSE
    • Engine Vin: 1
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  BUICK LESABRE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  BUICK REGAL

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LIMITED
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1997-2003  PONTIAC GRAND PRIX

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: SUPERCHARGED
    • SubModel: GTP
    • Engine Vin: 1
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1992-1995  CHEVROLET LUMINA APV

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980-1984  BUICK ELECTRA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: PARK AVENUE
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1980  CHEVROLET CAPRICE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC SPORT
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1982  BUICK LESABRE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LIMITED EDITION F/E
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1983-1984  BUICK RIVIERA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LUXURY
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1994-1995  OLDSMOBILE 98

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: SUPERCHARGED
    • SubModel: REGENCY ELITE
    • Engine Vin: 1
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1981-1982  BUICK RIVIERA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: T-TYPE
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1996-1997  CHEVROLET CAMARO

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: RS
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  CHEVROLET MONZA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 2+2
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1996-1999  OLDSMOBILE LSS

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: SUPERCHARGED
    • SubModel: BASE
    • Engine Vin: 1
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1984-1985  BUICK RIVIERA

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: T-TYPE
    • Engine Vin: 9
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980-1981  OLDSMOBILE DELTA 88

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HOLIDAY
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1991  BUICK PARK AVENUE

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ULTRA
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  PONTIAC LEMANS

    • Fitment_Note: 0.051 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )
    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.