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

245-C5247-080

made in usa

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Cometic Gaskets C5247-080
$115.64
Small-Block Chevy Head Gasket
  • 265-400 18° & 23° Heads
  • Bore: 4.125"
  • Compressed Thickness: .080"
  • Sold Individually
  • Free Shipping - 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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    1977-1980  CHEVROLET K20 SUBURBAN

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976  GMC C35

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1980  CHEVROLET K20

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980  CHEVROLET K10 SUBURBAN

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  GMC G35

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: MAGNAVAN
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976  GMC K25

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978  BUICK CENTURY

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LIMITED
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1957  CHEVROLET NOMAD

    • Fitment_Note: 0.080 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 )

    1973-1974  CHEVROLET K20 SUBURBAN

    • Fitment_Note: 0.080 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 EL CAMINO

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: F
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1978  BUICK CENTURY

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SPECIAL
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1968  CHEVROLET CHEVELLE

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: NOMAD
    • Engine Vin: ME
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1970-1971  CHEVROLET CHEVELLE

    • Fitment_Note: 0.080 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 )

    1969  CHEVROLET C10 SUBURBAN

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1971  CHEVROLET G20 VAN

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SPORTVAN
    • Engine Vin: P
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1968  CHEVROLET CHEVELLE

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 300
    • Engine Vin: -
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1974  CHEVROLET K20 SUBURBAN

    • Fitment_Note: 0.080 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 )

    1957  CHEVROLET TWO-TEN SERIES

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 4.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DEL RAY
    • Engine Vin: -
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1975  GMC K15 SUBURBAN

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975  CHEVROLET NOVA

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: G
    • CUI: 262
    • EngineType: V8 ( 4.3 L / 262 )

    1958-1967  CHEVROLET BISCAYNE

    • Fitment_Note: 0.080 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 SUBURBAN

    • Fitment_Note: 0.080 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 )

    1973-1974  CHEVROLET K30 PICKUP

    • Fitment_Note: 0.080 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 )

    1967-1968  GMC K25/K2500 PICKUP

    • Fitment_Note: 0.080 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 )

    1970  GMC G25/G2500 VAN

    • Fitment_Note: 0.080 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 )

    1971  CHEVROLET CHEVELLE

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: GREENBRIER
    • Engine Vin: -
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1972  CHEVROLET G20 VAN

    • Fitment_Note: 0.080 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 )

    1977-1979  CHEVROLET C30

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1957-1967  PONTIAC LAURENTIAN

    • Fitment_Note: 0.080 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 )

    1968  CHEVROLET CHEVELLE

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: NOMAD
    • Engine Vin: HJ
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1979-1980  GMC K3500

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  OLDSMOBILE OMEGA

    • Fitment_Note: 0.080 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 )

    1955  CHEVROLET TRUCK

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 3100
    • Engine Vin: -
    • CUI: 265
    • EngineType: V8 ( 4.3 L / 265 )

    1969  CHEVROLET C20 PICKUP

    • Fitment_Note: 0.080 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 )

    1971  GMC C25/C2500 SUBURBAN

    • Fitment_Note: 0.080 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 )

    1975  GMC SPRINT

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SP
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976-1978  GMC G35

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: VANDURA SPECIAL
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968  CHEVROLET CHEVY II

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: NOVA
    • Engine Vin: ME
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1971  CHEVROLET G20 VAN

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SPORTVAN
    • Engine Vin: A
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968-1969  CHEVROLET CHEVELLE

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: 300 DELUXE
    • Engine Vin: -
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1974  CHEVROLET G20 VAN

    • Fitment_Note: 0.080 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 )

    1974  CHEVROLET MALIBU

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  CHEVROLET EL CAMINO

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SS
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1971  GMC JIMMY

    • Fitment_Note: 0.080 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 )

    1985  CHEVROLET CAPRICE

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC
    • Engine Vin: N
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  CHEVROLET NOVA

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 4.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LN
    • Engine Vin: G
    • CUI: 262
    • EngineType: V8 ( 4.3 L / 262 )

    1979-1986  GMC K2500

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  GMC C15/C1500 PICKUP

    • Fitment_Note: 0.080 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 )

    1978-1979  PONTIAC PHOENIX

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LJ
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971  PONTIAC VENTURA

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1971  GMC K25/K2500 SUBURBAN

    • Fitment_Note: 0.080 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 )

    1973-1974  CHEVROLET LAGUNA

    • Fitment_Note: 0.080 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 )

    1970-1971  CHEVROLET CAMARO

    • Fitment_Note: 0.080 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 )

    1968-1969  CHEVROLET C10 PICKUP

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1986  GMC C3500

    • Fitment_Note: 0.080 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 )

    1976-1978  GMC C15

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976  GMC C15

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  GMC JIMMY

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1969-1970  CHEVROLET K10 SUBURBAN

    • Fitment_Note: 0.080 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 )

    1971  CHEVROLET EL CAMINO

    • Fitment_Note: 0.080 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 )

    1981-1982  GMC JIMMY

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1967-1969  CHEVROLET CAMARO

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: RS
    • Engine Vin: -
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1977-1978  GMC C25 SUBURBAN

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1977  CHEVROLET EL CAMINO

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1976-1978  GMC C25

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  CHEVROLET K20 SUBURBAN

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1978  GMC CABALLERO

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DIABLO
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1977-1979  CHEVROLET C30

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1980  CHEVROLET C20 SUBURBAN

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1967-1968  GMC C25/C2500 SUBURBAN

    • Fitment_Note: 0.080 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 )

    1975  GMC G35

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: RALLY STX
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1974  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.080 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 )

    1977-1978  OLDSMOBILE STARFIRE

    • Fitment_Note: 0.080 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 )

    1980-1982  GMC K2500 SUBURBAN

    • Fitment_Note: 0.080 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 )

    1977  OLDSMOBILE DELTA 88

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: ROYALE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET C10

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: P
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1955  GMC 100-22

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.2
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 316
    • EngineType: V8 ( 5.2 L / 316 )

    1974-1979  CHEVROLET MALIBU

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981  CHEVROLET K5 BLAZER

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: G
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1970-1972  CHEVROLET G10 VAN

    • Fitment_Note: 0.080 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 )

    1975  PONTIAC GRAND LEMANS

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SAFARI
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976-1980  CHEVROLET G10

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEVY VAN
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  CHEVROLET G20

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEVY VAN
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981-1986  CHEVROLET C30

    • Fitment_Note: 0.080 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 )

    1973-1974  CHEVROLET C10 SUBURBAN

    • Fitment_Note: 0.080 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 )

    1979-1981  GMC C1500

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970  GMC K15/K1500 PICKUP

    • Fitment_Note: 0.080 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 )

    1984-1986  CHEVROLET G20

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BEAUVILLE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968-1969  CHEVROLET EL CAMINO

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.3
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: -
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1983  CHEVROLET MONTE CARLO

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SS
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1980  CHEVROLET K30

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1983-1984  GMC G2500

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: RALLY CUSTOM
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1974  CHEVROLET G30 VAN

    • Fitment_Note: 0.080 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 )

    1979  GMC G2500

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: RALLY
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1981-1986  CHEVROLET C20 SUBURBAN

    • Fitment_Note: 0.080 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 )

    1967  CHEVROLET C20 SUBURBAN

    • Fitment_Note: 0.080 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 )

    1966-1969  CHEVROLET C30 PICKUP

    • Fitment_Note: 0.080 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 )

    1969-1970  GMC C35/C3500 PICKUP

    • Fitment_Note: 0.080 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 )

    1971  GMC G15/G1500 VAN

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  CHEVROLET IMPALA

    • Fitment_Note: 0.080 in. Multi-Layer Steel; 4.125 in. Bore; w/Steam Holes
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LANDAU
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )
    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.