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Hypereutectic Cast -3.5cc Flat Top Pistons, Early Style 389, 3.750" Str, 

Keith Black
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Pricing: $579.95

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  • UEM-KB370
    • UEM-KB370
    Flat Top -3.50cc
    6.625" Rod Length
    5/64", 5-64", 3/16" Ring Size
    Press-fit or floating
    .980 Pin
    Set/8

    Description

    These pistons are Hypereutectic 390 Alloy with 16% silicon. They feature a diamond-machined skirt design. Spiral lock rings. Press fit or bushed wrist pins. Designed for 20-degree heads, 1966 and earlier. Piston will not work with 14-degree heads.

    Pistons Only
    .030 Over- 4.090" Bore- KB370-030
    .040 Over- 4.100" Bore- KB370-040
    .060 Over- 4.120" Bore- KB370-060

    Pistons and Ring Sets
    .030 Over- 4.090" Bore- KB370KTM-030
    .040 Over- 4.100" Bore- KB370KTM-040
    .060 Over- 4.120" Bore- KB370KTM-060

    These pistons come with pin locks so they can be used with BUSHED or PRESS-FIT rods.

    Image may not represent actual product.