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Sealed Power L2256F40 - Speed-Pro Powerforged Small Block Chevy Pistons



Sealed Power L2256F40 - Speed-Pro Powerforged Small Block Chevy Pistons

JEGS Part Number: 844-L2256F40

350ci Stock-Type Piston, .040'' Overbore
  • Piston Dia.: 4.040''
  • Piston Top: Flat Top, 4-Valve Reliefs
  • Pressed Pin
  • Comp Ratio: 9.72:1 w/64cc Head, 8.62:1 w/76cc Head
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • Sold Each
  • $42.17
    Ships

    Speed-Pro developed Powerforged Pistons, and set the pace in powerforged technology. The high silicon VMS-75 alloy is found exclusively in pistons "powerforged" by Speed-Pro. Up to 3,000 tons of force forges aluminum slugs into the basic piston form, which creates a grain flow pattern in the structure providing excellent strength, ductility, and heat dissipation.

    Note: All compression ratios are approximate. They're figured with a gasket thickness representative of those commonly used.

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    1969 CHEVROLET BLAZER

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1980-1982 CHEVROLET BLAZER K5

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1969-1970 CHEVROLET CHEVELLE

    • Liter: 5.7
    • SubModel: NOMAD
    • CUI: 350
    • EngineType: V8

    1969 CHEVROLET BEL AIR

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1969-1970 CHEVROLET C20 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1967 CHEVROLET CAMARO

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1980-1981 CHEVROLET C10 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1969-1970 CHEVROLET C10 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1983-1985 GMC G35/G3500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: VANDURA

    1980 GMC K2500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1981 GMC K2500 SUBURBAN

    • EngineType: V8
    • SubModel: BASE

    1982-1985 GMC K2500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1980-1985 GMC C3500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1969-1970 CHEVROLET TOWNSMAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1982-1985 GMC C1500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1970 CHEVROLET G20 VAN

    • Liter: 5.7
    • SubModel: SPORTVAN
    • CUI: 350
    • EngineType: V8

    1970 CHEVROLET MONTE CARLO

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1981-1982 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: RALLY

    1969-1970 GMC C35/C3500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1980-1985 GMC G15/G1500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: RALLY

    1969-1970 CHEVROLET KINGSWOOD

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1970 CHEVROLET P30 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1980 CHEVROLET K20 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1983-1984 CHEVROLET C10 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CUSTOM

    1980 CHEVROLET P30 VAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1969-1970 GMC K25/K2500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1970 GMC P25/P2500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1981-1982 CHEVROLET C10 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1985 CHEVROLET K30 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1970 GMC G25/G2500 VAN

    • EngineType: V8
    • SubModel: VANDURA

    1985 CHEVROLET C10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1982-1985 GMC C1500 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1969-1970 GMC C15/C1500 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1983-1984 CHEVROLET K20 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CUSTOM

    1968 CHEVROLET CHEVY II

    • Liter: 5.7
    • SubModel: NOVA
    • CUI: 350
    • EngineType: V8

    1982 GMC G35/G3500 VAN

    • EngineType: V8
    • SubModel: VANDURA

    1981 CHEVROLET CAMARO

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1968-1970 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1980-1985 GMC K3500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1980 CHEVROLET C30 PICKUP

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1980-1982 CHEVROLET C20 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1983 GMC G35/G3500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: MAGNAVAN

    1980-1983 GMC G25/G2500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: RALLY

    1980-1981 GMC G25/G2500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: VANDURA

    1985 CHEVROLET K20 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1980 GMC C1500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BIG TEN

    1970 CHEVROLET CHEVELLE

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1985 CHEVROLET C20 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1982-1985 CHEVROLET P20 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1970 CHEVROLET G10 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SPORTVAN

    1985 CHEVROLET K10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1984-1985 CHEVROLET G20 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BEAUVILLE

    1969-1970 CHEVROLET CHEVELLE

    • Liter: 5.7
    • SubModel: CONCOURS
    • CUI: 350
    • EngineType: V8

    1969-1970 CHEVROLET EL CAMINO

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1980 GMC K1500 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1969-1970 GMC K15/K1500 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1985 GMC G25/G2500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: RALLY

    1982-1985 GMC K1500 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1985 GMC G35/G3500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: MAGNAVAN

    1969-1970 CHEVROLET K30 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1980-1982 CHEVROLET C20 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1980-1982 CHEVROLET K10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1970 CHEVROLET G20 VAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1970 GMC JIMMY

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1969-1970 CHEVROLET C30 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1970 CHEVROLET G30 VAN

    • EngineType: V8
    • SubModel: SPORTVAN

    1970 CHEVROLET P20 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1981 GMC K2500 PICKUP

    • EngineType: V8
    • SubModel: BASE

    1980-1981 GMC P25/P2500 VAN

    • EngineType: V8
    • SubModel: BASE

    1983-1985 CHEVROLET G30 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BEAUVILLE

    1970 CHEVROLET BEL AIR

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1983-1985 CHEVROLET G30 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SPORTVAN

    1982 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: BASE

    1969-1970 CHEVROLET K10 PICKUP

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1982 CHEVROLET G30 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1980-1985 GMC C2500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1980-1985 GMC K1500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1984-1985 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: ALL

    1983-1984 CHEVROLET K10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CUSTOM

    1982-1985 GMC P25/P2500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1969-1970 GMC C1500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1981-1985 CHEVROLET P30 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1980-1981 CHEVROLET P20 VAN

    • EngineType: V8
    • SubModel: BASE

    1985 PONTIAC PARISIENNE (CANADIAN)

    • EngineType: ALL
    • SubModel: ALL

    1985 CHEVROLET C10 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1969-1970 GMC C25/C2500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1969-1970 CHEVROLET K10 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1969-1970 CHEVROLET CHEVELLE

    • Liter: 5.7
    • SubModel: MALIBU
    • CUI: 350
    • EngineType: V8

    1969 CHEVROLET BISCAYNE

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1985 CHEVROLET CAPRICE

    • Liter: 5.7
    • SubModel: CLASSIC
    • CUI: 350
    • EngineType: V8

    1985 GMC G25/G2500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: VANDURA

    1969-1970 CHEVROLET BROOKWOOD

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1968-1969 PONTIAC ACADIAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1981-1985 GMC C2500 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1985 CHEVROLET C30 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1980-1982 CHEVROLET G20 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1980-1985 GMC P35/P3500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1969-1970 GMC C25/C2500 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1969-1970 CHEVROLET IMPALA

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1969-1970 CHEVROLET CAPRICE

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8