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Sealed Power® Duroshield Cast Piston H640DCP

Sealed Power Duroshield Cast Piston H640DCP

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  • Specifications
  • Features
  • Vehicle Fitment
  • Specifications

    BrandSealed Power
    Part NumberH640DCP
    Part DescriptionDuroshield Cast Piston
    Bore4.040"
    Compression Distance1.560"
    Dome Volume CC11.8
    Head Illustration29
    Lock RingIncluded
    MaterialHypereutectic
    Minimum Clearance0.0010
    Pin Diameter0.927"
    Pin TypeP or F
    Pin Weight Gram159
    Ring 1 Qty2
    Ring 1 Width5/64"
    Ring 2 Qty1
    Ring 2 Width3/16"
    SizeStandard
    UPC019826500861
    Weight W Pin Gram793
    Weight w/o Pin Gram634
    Warning: California’s Proposition 65
  • Features

    Sealed Power Engine Piston are featured as follows:
    • Cylinder sealing is improved for minimum blow-by.
    • It maintains standard ring gaps in the top groove.
    • Piston coated with DUROSHIELD on the skirt.
    • Engine life is extended by moly-graphite coating.
    • Friction reduction leads to higher fuel economy.
    • Protects against damage from inadequate lubrication during start-up.
    • Creating certified ISO & QS, manufacturing guarantees high performance and long product life that engine rebuilders cherish for good reasons.
    • Up-tilt ring grooves improve piston-to-ring sealing & provide great blow-by control.
    • A full range of internal replacement components designed specifically for application are included as part of Sealed Power engine products.
    The Sealed Power Engine Piston H640DCP is an engine component that is made with quality in mind to decrease the amount of blow-by through improved cylinder sealing and keep the top groove ring gaps within standard. With a Duroshield coated skirt, it has a moly-graphite coating which extends its life span and reduces friction thus enhancing fuel economy. The piston has been developed to prevent damage from inadequate lubrication on start-up. It guarantees performance and longer life for engine rebuilds since it is manufactured under ISO & QS certified standards. Casted using FM413 Eutectic aluminum containing 12% silicon, ensuring strength and durability. Besides, it also provides enhanced sealability in piston-to-rings due to ring grooves tilting up and better blow-by control. This product is included in Sealed Power comprehensive range of application-engineered internal replacement components for engines.
    The application-engineered internal engine replacement components are the main characteristic of Sealed Power, an automotive industry brand that is highly distinguished. Their products include pistons, piston rings, engine bearings, camshafts, oil pumps, timing components and valvetrain products. The brand's determination to keep creating new products ensures they offer top quality items for their customers.
  • Vehicle Fitment

    Year Make Model Trim Engine
    1985-2002 Chevrolet AstroAll Trims6 Cyl 4.3L
    1995-2002 Chevrolet BlazerAll Trims6 Cyl 4.3L
    1985-1986 Chevrolet C10All Trims6 Cyl 4.3L
    1988-1998 Chevrolet C1500All Trims6 Cyl 4.3L
    1985-1986 Chevrolet C20All Trims6 Cyl 4.3L
    1988-1990 Chevrolet C2500All Trims6 Cyl 4.3L
    1985-1990 Chevrolet CapriceAll Trims6 Cyl 4.3L
    1985-1987 Chevrolet El CaminoAll Trims6 Cyl 4.3L
    1996-2002 Chevrolet Express 1500All Trims6 Cyl 4.3L
    1996-2002 Chevrolet Express 2500All Trims6 Cyl 4.3L
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