Pulleys

Pulleys

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  • GFB 04-10 WRX/STI 3 Piece Under-Drive Pulley Kit w/ Belts (Crank Alternator & Power Steering)

    GFB 04-10 WRX/STI 3 Piece Under-Drive Pulley Kit w/ Belts (Crank Alternator & Power Steering)

    Go Fast Bits

    $315.00
    It might be hard to imagine how reducing the mass of a pulley makes a car go faster, but accelerating a heavy factory pulley from say 3000-7000 RPM in a second or two saps a measurable amount of torque. GFB Lightweight Pulleys reduce inertia by up to 85...
    $315.00
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    $315.00
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  • GFB Evo 4-9 Under-Drive Crank Pulley w/ Belt

    GFB Evo 4-9 Under-Drive Crank Pulley w/ Belt

    Go Fast Bits

    $233.10
    It might be hard to imagine how reducing the mass of a pulley makes a car go faster, but accelerating a heavy factory pulley from say 3000-7000 RPM in a second or two saps a measurable amount of torque. GFB Lightweight Pulleys reduce inertia by up to 85...
    $233.10
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    Qty in Cart: 0
    Price:
    $233.10
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