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Cometic Gaskets Small-Block Chevy Head Gasket 265-400 18° & 23° Heads

245-C5247-040

made in usa

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Cometic Gaskets C5247-040
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$80.54
5 left in stock
Small-Block Chevy Head Gasket
  • 265-400 18° & 23° Heads
  • With Steam Holes
  • Bore: 4.125"
  • Compressed Thickness: .040"
  • Sold Individually
  • Ships
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    1975-1976  CHEVROLET C10

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974-1978  CHEVROLET CAMARO

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LT
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976  CHEVROLET C20

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  GMC C25/C2500 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1980  CHEVROLET IMPALA

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SPORT
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1974  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LANDAU
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973-1974  GMC G35/G3500 VAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: VANDURA
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET IMPALA

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SPORT
    • Engine Vin: N
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974  GMC JIMMY

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K15 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970  CHEVROLET CHEVELLE

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: GREENBRIER
    • Engine Vin: -
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1985-1986  CHEVROLET K10 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1969-1970  GMC C35/C3500 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968-1971  CHEVROLET CHEVELLE

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SS
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  CHEVROLET CHEVELLE

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: NOMAD
    • Engine Vin: -
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1972  CHEVROLET CHEVELLE

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: GREENBRIER
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974  CHEVROLET G20 VAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974  CHEVROLET K10 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  CHEVROLET BROOKWOOD

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  CHEVROLET C10 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  CHEVROLET C30

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1971  CHEVROLET BISCAYNE

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  GMC C15/C1500 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1973  CHEVROLET C20 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1977-1978  GMC K25 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1973-1974  CHEVROLET K30 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969  CHECKER MARATHON

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1972-1974  CHEVROLET NOVA

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  CHEVROLET K20 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1972  GMC K15/K1500 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1955-1957  PONTIAC LAURENTIAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 265
    • EngineType: V8 ( 4.3 L / 265 )

    1972  CHEVROLET CHEVELLE

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: MALIBU
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1979  GMC CABALLERO

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974  CHEVROLET K20 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  CHEVROLET MALIBU

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: POLICE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1976  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: S
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  OLDSMOBILE CUSTOM CRUISER

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1986  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LS
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1980  GMC C1500

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973-1974  CHEVROLET K10 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  CHEVROLET C10 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  CHEVROLET C20 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1971  CHEVROLET EL CAMINO

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  CHEVROLET CORVETTE

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: STINGRAY
    • Engine Vin: T
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1970  GMC K25/K2500 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1966-1967  CHEVROLET CAPRICE

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 4.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1970  GMC C35/C3500 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1985-1986  CHEVROLET K20

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1966-1969  CHEVROLET K20 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1971  GMC C25/C2500 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1973  CHEVROLET CAPRICE

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC
    • Engine Vin: F
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1972  CHEVROLET K30 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974  CHEVROLET LAGUNA

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: T
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968  CHEVROLET C10 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1980  CHEVROLET K10

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  CHEVROLET KINGSWOOD

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ESTATE
    • Engine Vin: -
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1977-1978  OLDSMOBILE STARFIRE

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SX
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1983  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CL
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975  CHEVROLET K10

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  CHEVROLET K20 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  GMC SPRINT

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA MADRE DEL SUR
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  GMC K15/K1500 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1981  CHEVROLET G20

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEVY VAN
    • Engine Vin: G
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1972  GMC G15/G1500 VAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: VANDURA
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970  GMC C25/C2500 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1978-1979  GMC JIMMY

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: STREET COUPE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1968  CHEVROLET C20 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1971  CHEVROLET K30 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1971  GMC C15/C1500 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1969-1971  CHEVROLET BEL AIR

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1974  CHECKER AEROBUS

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC SPRINT

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972  GMC K15/K1500 SUBURBAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1978-1979  PONTIAC LAURENTIAN

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1986  CHEVROLET C10

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1969-1971  CHEVROLET KINGSWOOD

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  CHEVROLET MONZA

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 2+2 SPORT
    • Engine Vin: G
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1974  GMC C35/C3500 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  GMC K25/K2500 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET C20

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: G
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1976  CHEVROLET MONZA

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Q
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975  CHEVROLET G30

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HI-CUBE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  OLDSMOBILE CUSTOM CRUISER

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: PANEL
    • Engine Vin: S
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978-1980  OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1972  CHEVROLET K20 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1986  EXCALIBUR PHAETON

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970  CHEVROLET CHEVELLE

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: GREENBRIER
    • Engine Vin: ND
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1980-1982  GMC C2500

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1984  CHEVROLET G30

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BONAVENTURE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982  CHEVROLET CAMARO

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: Z28 INDIANAPOLIS 500 PACE CAR
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1972-1974  PONTIAC PARISIENNE

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986  CHEVROLET K10

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970-1972  CHEVROLET K10 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985  CHEVROLET CAPRICE

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC
    • Engine Vin: 6
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1959-1961  CHEVROLET BROOKWOOD

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 4.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1971  GMC K25/K2500 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1970  GMC K25/K2500 PICKUP

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1969-1971  CHEVROLET KINGSWOOD

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  CHEVROLET EL CAMINO

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  CHEVROLET G10

    • Fitment_Note: 0.040 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SPORTVAN
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )
    C5247-040 is rated 4.0 out of 5 by 1.
    Rated 4 out of 5 by from Haven't used them yet..still looking for a set heads...but they seem like really really great gaskets..
    Date published: 2014-11-02
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    Items You Need

    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.