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BBK Underdrive Pulleys (05-10 Mustang GT)

Item 56030
AmericanMuscle no longer carries the BBK Underdrive Pulleys (05-10 Mustang GT). Please check out 2015-2022 Mustang Underdrive Pulleys for an updated selection.
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    Product Information

    Features, Description, Reviews, Q&A, Specs & Installation


    • Gain Up to 12HP
    • Brilliantly Polished Finish
    • Easy Installation
    • SFI Certified
    • Fits 2005-2010 4.6L Mustangs


    Gain 12HP. You may not know it, but your accessories are robbing your Mustang of nearly 12 horsepower. Get that horsepower back with a set of SFI approved underdrive pulleys from BBK. BBK's Underdrive Pulleys reduce the drain your accessories place on your engine, freeing up more horsepower and improving throttle response, without affecting your Pony's charging or cooling characteristics.

    Premium Quality.
    The BBK SFI-approved underdrive pulley set for your S197 4.6L is CNC machined from aluminum and steel components to ensure it will perform to the highest standards. With a brilliantly polished finish, this piece also looks great underhood.

    Easy Installation.
    The BBK SFI-approved underdrive pulley kit comes with complete instructions for an easy install and requires no other modifications.

    SFI Certified. By choosing an SFI Certified product, you're ensuring the product you choose has been made to the highest standards for quality and safety.

    Application. These BBK Underdrive Pulleys are specifically designed for use on the 2005 to 2010 Mustangs powered by the 4.6L V8 engine.

    CA Residents: WARNING: Cancer and Reproductive Harm -

    Installation & What's in the Box

    Installation Info

    What's in the Box

    • (1) Crank Pulley
    • (1) Alternator Pulley

    Tech Specs

    UnderDrive Pulley Specifications
    Year/Model: 2005-2010 GT Manufacturer: BBK
    Material: Steel Crank/ Alum Access. Finish: Polished
    Crank Pulley: One Piece Crank SFI Certified: Yes

    Customer Reviews (100+)

      Questions & Answers

      10 More Questions

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