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Product Summary

221, 255, 260, 289, 302, 351C, 351W, Boss 302, Boss 351

    Key Specs

    MFG. Part #9172
    BrandPowermaster
    Starter SizeFull Size
    Flywheel/Flexplate Tooth Count164-tooth
    FinishGold Iridited

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    Powermaster 9172 Details

    4.4:1 gear reduction. Recommended for 10 to 1 compression engines. Clears most headers. Works with most oversized kickout oil pans. Permanent magnet for high efficiency.

    • PowerMax Starter
    • 160 ft./lb. Torque
    • 4.4-1 Gear Reduction
    • 2 Mounting Holes
    • 3/8in. Offset

    Application

    Ford 289ci Small Block V8
    Ford 302ci Small Block V8
    Ford 351C ci Small Block V8
    Ford 351Cci Small Block V8
    Ford Boss 302 ci Small Block V8
    Ford Boss 351 ci Small Block V8

    Charts

    Powermaster 9172 Specifications

    KEY SPECS
    MFG. Part #9172
    BrandPowermaster
    Starter SizeFull Size
    Flywheel/Flexplate Tooth Count164-tooth
    FinishGold Iridited
    GENERAL
    Transmission TypeManual
    Starter Output (kW/hp)1.4 kW / 1.9 hp
    Starter Output (ft. lbs.)160 ft.-lbs. torque
    ColorGold
    ClockableNo
    Gear RotationStandard
    Gear Ratio4.25:1
    Compression Ratio10.0:1
    Starter StyleFull size
    Weight8.00 lbs.
    Sold in QuantityEach
    Notes3/8" depth application.
    GTIN Code692209001416
    Adjustable Mounting BlockNo
    Mounting Block MaterialCast Aluminum