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Cometic Gaskets Buick V6 Head Gasket Stage I & II

245-C5691-066

made in usa

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Cometic Gaskets C5691-066
$105.57
Buick V6 Head Gasket
  • Stage I & II
  • Bore: 3.860"
  • Compressed Thickness: .066"
  • Free Shipping - Ships on 12/24/19
    Save $10 off $150+, $20 off $250+, $40 off $500+, $100 off $1,000+ Orders. Promo Code: SANTA exclusions apply
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    1999  BUICK REGAL

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: GS
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    2002  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SS 35TH ANNIVERSARY EDITION
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978-1987  OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1975-1977  BUICK REGAL

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  CHEVROLET MALIBU

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC LANDAU
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  BUICK CENTURY

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LIMITED
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1975-1977  BUICK SKYHAWK

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: S
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978-1980  BUICK SKYHAWK

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: S
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1991-1993  BUICK RIVIERA

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LUXURY
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    2002  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SS DALE EARNHARDT SIGNATURE EDITION
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  CHEVROLET MALIBU

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: POLICE
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1984-1987  PONTIAC GRAND PRIX

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1981  BUICK LESABRE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SPORT
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  PONTIAC FIREBIRD

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESPRIT
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978-1980  CHEVROLET MONZA

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 2+2 SPORT
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1994-1996  PONTIAC BONNEVILLE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SSE
    • Engine Vin: -
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    2005-2009  BUICK ALLURE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CXL
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  CHEVROLET MALIBU

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    2005-2009  BUICK LACROSSE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CXL
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1982-1984  BUICK LESABRE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1979  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1981-1987  PONTIAC GRAND PRIX

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1981-1983  PONTIAC PARISIENNE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  OLDSMOBILE CUTLASS

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: VISTA CRUISER BROUGHAM
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1991  BUICK PARK AVENUE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ULTRA
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1995-1996  OLDSMOBILE 98

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: REGENCY ELITE
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LANDAU
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1990-1996  BUICK REGAL

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: GRAN SPORT
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  OLDSMOBILE DELTA 88

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980-1984  CHEVROLET CAPRICE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  OLDSMOBILE OMEGA

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: F85
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978-1979  OLDSMOBILE OMEGA

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM LS
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1982  BUICK REGAL

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LIMITED TURBO
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1982-1983  PONTIAC GRAND LEMANS

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1985  PONTIAC PARISIENNE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  OLDSMOBILE CUTLASS CALAIS

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  OLDSMOBILE CUTLASS

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: VISTA CRUISER BROUGHAM
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1987  BUICK REGAL

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: GNX
    • Engine Vin: 7
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1976-1977  OLDSMOBILE STARFIRE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SX
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1981-1984  CHEVROLET EL CAMINO

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CONQUISTA
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1992-1994  OLDSMOBILE 98

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: REGENCY
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1975-1977  BUICK SKYLARK

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SR
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1995-1999  OLDSMOBILE 88

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ROYALE LS
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1982  PONTIAC GRAND PRIX

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LJ
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1977  PONTIAC LEMANS

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SPORT
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980-1981  OLDSMOBILE CUTLASS

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LS
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1992-1994  PONTIAC BONNEVILLE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SE
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  PONTIAC GRAND AM

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980-1986  PONTIAC BONNEVILLE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978  CHEVROLET EL CAMINO

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CONQUISTA
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1988-1991  PONTIAC BONNEVILLE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1999  OLDSMOBILE INTRIGUE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: GX
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1983  OLDSMOBILE CUTLASS CALAIS

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HURST
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1975  OLDSMOBILE STARFIRE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: S
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1984-1985  BUICK RIVIERA

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: BASE
    • Engine Vin: 9
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  OLDSMOBILE DELTA 88

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ROYALE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1987  BUICK ELECTRA

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LIMITED
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979-1980  CHEVROLET MALIBU

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1998  OLDSMOBILE INTRIGUE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1986  OLDSMOBILE 98

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: REGENCY
    • Engine Vin: B
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980-1985  OLDSMOBILE DELTA 88

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ROYALE BROUGHAM
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  CHEVROLET MALIBU

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  PONTIAC FIREBIRD

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 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: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 2+2
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980  OLDSMOBILE CUTLASS

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1983  BUICK RIVIERA

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: T-TYPE
    • Engine Vin: 8
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1982-1985  BUICK LESABRE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1987  OLDSMOBILE 98

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: REGENCY TOURING
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1984-1985  BUICK RIVIERA

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: T-TYPE
    • Engine Vin: 9
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  PONTIAC VENTURA

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1986  OLDSMOBILE 98

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: REGENCY BROUGHAM
    • Engine Vin: B
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  OLDSMOBILE CUTLASS SALON

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979-1981  CHEVROLET EL CAMINO

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ROYAL KNIGHT
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1987  BUICK RIVIERA

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LUXURY
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1976-1977  PONTIAC SUNBIRD

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1985  OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LS
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  BUICK REGAL

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978-1980  GMC CABALLERO

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LAREDO
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1981-1982  CADILLAC ELDORADO

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CABRIOLET
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1996  BUICK REGAL

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LIMITED
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  PONTIAC CATALINA

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980-1981  BUICK CENTURY

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1988-1990  BUICK ELECTRA

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: T-TYPE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1996-1999  OLDSMOBILE LSS

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979-1980  CHEVROLET MALIBU

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC SPORT
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1995-2002  CHEVROLET CAMARO

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1982-1984  BUICK REGAL

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1982  BUICK RIVIERA

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LIMITED EDITION
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1977-1980  OLDSMOBILE STARFIRE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SX
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1995-2002  PONTIAC FIREBIRD

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978-1982  BUICK REGAL

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: SPORT
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    2005  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LT
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1987-1988  OLDSMOBILE CUTLASS CRUISER

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LS
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1995-1997  BUICK RIVIERA

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1992-1995  BUICK LESABRE

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979-1980  BUICK RIVIERA

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: S
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1988-1990  BUICK RIVIERA

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LUXURY
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1981  PONTIAC FIREBIRD

    • Fitment_Note: 0.066 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 3.860 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: FORMULA
    • Engine Vin: A
    • 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.