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Part # 474151

KB Ford 351W Hypereutectic Pistons, Flat Top, 5.956 Rod

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Product Summary

351W, Flat Top w/ 2 valve reliefs Piston Style

    Key Specs

    MFG. Part #
    BrandKeith Black
    Piston StyleFlat Top w/ 2 valve reliefs
    Piston MaterialHypereutectic Aluminum

    Need To Know

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    Details

    Keith Black Hypereutectic pistons are T-6 heat treated and offer reduced scuffing and improved durability over stock replacement pistons. They also allow you to run tighter clearances because of reduced thermal expansion, which means more race winning power.

    For Ford 3351W c.i. (4.00" bore x 3.50" stroke). Use piston ring Style A (5/64", 5/64", 3/16").

    • 390 Hypereutectic alloy

    • Fully machined crowns and valve reliefs

    • Drilled oil drain backs

    • Full floating wrist pins

    • Triple wound spiral locks

    • Reflective alloy allows 2% power increase

    • Quench dome technology minimizes deterioration

    • Zero deck quench designs

    Item Details

    C/R 64cc: 10.3, C/R 69cc: 9.7
    Bore and Stroke: 4.00" x 3.50"
    Rod Length: 5.956" Ring Style: A

    Charts

    Specs

    • Pin Diameter:  .912"

    Specifications

    KEY SPECS
    MFG. Part #
    BrandKeith Black
    Piston StyleFlat Top w/ 2 valve reliefs
    Piston MaterialHypereutectic Aluminum
    GENERAL
    Piston Diameter
    Stroke3.500"
    Connecting Rod Length5.956"
    Piston Weight420 grams
    Piston Ring StyleA
    Wrist Pin Diameter0.9120"
    Wrist Pin Weight145 grams
    Compression 64cc =10.3 : 1
    GTIN Code
    Sold in QuantitySet