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Cometic Gaskets Buick V6 Head Gasket Stage I & II

245-C5692-030

made in usa

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Cometic Gaskets C5692-030
$80.54
Buick V6 Head Gasket
  • Stage I & II
  • Bore: 4.020"
  • Compressed Thickness: .030"
  • Ships on 12/26/19
    Save $10 off $150+, $20 off $250+, $40 off $500+, $100 off $1,000+ Orders. Promo Code: SANTA exclusions apply
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    1981  PONTIAC LAURENTIAN

    • Fitment_Note: 0.030 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 )

    1981-1982  BUICK RIVIERA

    • Fitment_Note: 0.030 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 )

    1978-1981  PONTIAC FIREBIRD

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESPRIT
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978-1984  GMC CABALLERO

    • Fitment_Note: 0.030 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 )

    1982-1984  BUICK LESABRE

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1996-2005  BUICK LESABRE

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980-1981  BUICK RIVIERA

    • Fitment_Note: 0.030 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 )

    1977-1980  OLDSMOBILE STARFIRE

    • Fitment_Note: 0.030 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 )

    1998  BUICK REGAL

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: SUPERCHARGED
    • SubModel: 25TH ANNIVERSARY EDITION
    • Engine Vin: 1
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980-1981  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: LANDAU
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1991-1992  OLDSMOBILE TORONADO

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: TROFEO
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1975-1977  BUICK SKYHAWK

    • Fitment_Note: 0.030 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 )

    1981  OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LS
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978-1979  OLDSMOBILE OMEGA

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM LS
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.030 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 )

    1981-1985  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.030 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 )

    1980-1981  OLDSMOBILE CUTLASS

    • Fitment_Note: 0.030 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 )

    1977-1981  PONTIAC CATALINA

    • Fitment_Note: 0.030 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  BUICK RIVIERA

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: T-TYPE
    • Engine Vin: 8
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980-1982  CADILLAC DEVILLE

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: D'ELEGANCE
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1988  OLDSMOBILE CUTLASS CRUISER

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM LS
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1991-1993  BUICK RIVIERA

    • Fitment_Note: 0.030 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 )

    1975-1977  BUICK SKYHAWK

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: S
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1981  PONTIAC FIREBIRD

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: FORMULA
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1995  OLDSMOBILE 88

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ROYALE LSS
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980  OLDSMOBILE CUTLASS

    • Fitment_Note: 0.030 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 )

    1981  CHEVROLET CAMARO

    • Fitment_Note: 0.030 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 )

    1988-1991  OLDSMOBILE DELTA 88

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ROYALE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1995  OLDSMOBILE 88

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ROYALE LS
    • Engine Vin: -
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977-1985  OLDSMOBILE DELTA 88

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ROYALE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978-1979  BUICK SKYLARK

    • Fitment_Note: 0.030 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 )

    1975-1977  OLDSMOBILE STARFIRE

    • Fitment_Note: 0.030 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 )

    1997-2002  PONTIAC GRAND PRIX

    • Fitment_Note: 0.030 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 )

    1987-1988  BUICK LESABRE

    • Fitment_Note: 0.030 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 )

    1982-1983  PONTIAC GRAND LEMANS

    • Fitment_Note: 0.030 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 )

    1984-1985  OLDSMOBILE CUTLASS CIERA

    • Fitment_Note: 0.030 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 )

    1986  BUICK LESABRE

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: B
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979  PONTIAC GRAND PRIX

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SJ
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1985-1987  OLDSMOBILE CUTLASS SALON

    • Fitment_Note: 0.030 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 )

    1985  PONTIAC PARISIENNE

    • Fitment_Note: 0.030 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 )

    1980-1983  OLDSMOBILE CUTLASS CRUISER

    • Fitment_Note: 0.030 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 )

    1988  OLDSMOBILE CUTLASS CRUISER

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SL
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1981  BUICK LESABRE

    • Fitment_Note: 0.030 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 )

    1999  BUICK PARK AVENUE

    • Fitment_Note: 0.030 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 )

    1996-1997  PONTIAC BONNEVILLE

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: SUPERCHARGED
    • SubModel: SE
    • Engine Vin: 1
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980-1984  BUICK LESABRE

    • Fitment_Note: 0.030 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 )

    1978-1981  PONTIAC GRAND LEMANS

    • Fitment_Note: 0.030 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 )

    1997-2004  BUICK REGAL

    • Fitment_Note: 0.030 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 )

    1980  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.030 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 )

    1985  BUICK LESABRE

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: COLLECTOR'S EDITION
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978  BUICK SKYHAWK

    • Fitment_Note: 0.030 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 )

    1980-1981  OLDSMOBILE CUTLASS

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LS
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1976-1977  OLDSMOBILE STARFIRE

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: GT
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980-1981  OLDSMOBILE CUTLASS CRUISER

    • Fitment_Note: 0.030 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 )

    1980-1982  CADILLAC DEVILLE

    • Fitment_Note: 0.030 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: 0.030 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  BUICK LESABRE

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: T-TYPE
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1995-1999  PONTIAC BONNEVILLE

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SSE
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1975-1977  BUICK SKYLARK

    • Fitment_Note: 0.030 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 )

    1982-1985  BUICK LESABRE

    • Fitment_Note: 0.030 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 )

    1988-1991  PONTIAC BONNEVILLE

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977  PONTIAC LEMANS

    • Fitment_Note: 0.030 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 )

    1978-1987  PONTIAC GRAND PRIX

    • Fitment_Note: 0.030 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 )

    1978  BUICK SKYLARK

    • Fitment_Note: 0.030 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 )

    1978-1980  CHEVROLET MONZA

    • Fitment_Note: 0.030 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 )

    1978-1979  OLDSMOBILE OMEGA

    • Fitment_Note: 0.030 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 )

    1976-1977  BUICK REGAL

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SR
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    2004  PONTIAC GRAND PRIX

    • Fitment_Note: 0.030 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 )

    1986-1988  OLDSMOBILE DELTA 88

    • Fitment_Note: 0.030 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 )

    1981-1982  CADILLAC SEVILLE

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ELEGANTE
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1998-1999  CHEVROLET LUMINA

    • Fitment_Note: 0.030 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 )

    1980-1981  BUICK CENTURY

    • Fitment_Note: 0.030 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 )

    1982-1984  BUICK REGAL

    • Fitment_Note: 0.030 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 )

    1983  OLDSMOBILE CUTLASS CALAIS

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HURST
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1986-1988  OLDSMOBILE CUTLASS CIERA

    • Fitment_Note: 0.030 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  PONTIAC LEMANS

    • Fitment_Note: 0.030 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 )

    1986-1988  BUICK LESABRE

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LIMITED
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1987-1988  PONTIAC BONNEVILLE

    • Fitment_Note: 0.030 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 )

    1980-1984  BUICK ELECTRA

    • Fitment_Note: 0.030 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 )

    1977  OLDSMOBILE DELTA 88

    • Fitment_Note: 0.030 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 )

    1988-1990  BUICK REATTA

    • Fitment_Note: 0.030 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 )

    1985  BUICK ELECTRA

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: T-TYPE
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1979-1980  CHEVROLET MALIBU

    • Fitment_Note: 0.030 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 )

    1979  BUICK CENTURY

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: TURBOCHARGED
    • SubModel: CUSTOM
    • Engine Vin: 3
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1988-1990  OLDSMOBILE 98

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: REGENCY BROUGHAM
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978-1981  PONTIAC LEMANS

    • Fitment_Note: 0.030 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 )

    1999  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: INDIANAPOLIS 500 PACE CAR
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1988-1990  BUICK ELECTRA

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: PARK AVENUE
    • Engine Vin: C
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    2000-2005  PONTIAC BONNEVILLE

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SLE
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1992-1995  BUICK LESABRE

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LIMITED
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1992-1995  BUICK LESABRE

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: L
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1995-2005  BUICK PARK AVENUE

    • Fitment_Note: 0.030 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  BUICK REGAL

    • Fitment_Note: 0.030 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 )

    1982-1983  OLDSMOBILE 98

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 4.1
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: REGENCY BROUGHAM
    • Engine Vin: 4
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1996  PONTIAC BONNEVILLE

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SE
    • Engine Vin: -
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978-1984  GMC CABALLERO

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DIABLO
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    2000-2004  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SS
    • Engine Vin: K
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977-1983  OLDSMOBILE DELTA 88

    • Fitment_Note: 0.030 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 )

    1981-1982  CADILLAC SEVILLE

    • Fitment_Note: 0.030 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 )

    1980-1981  BUICK CENTURY

    • Fitment_Note: 0.030 in. Multi-Layer Steel; Stock/Stage 1/2 Heads; 4.020 in. Bore
    • Liter: 3.8
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • 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.