BBK GM Billet Aluminum Underdrive Pulley Systems


BBK Performance Products
BBK GM Billet Aluminum Underdrive Pulley Systems

Product images may differ from actual product appearance.

Built from aircraft quality computer-machined aluminum, the BBK Underdrive Pulleys will free up about 10-15 horsepower while retaining full charging & cooling characteristics. Pulley systems are direct replacements so installation takes under 30 minutes. Made in the U.S.A.




129-1591
Crank Pulley Kit
  • 1993-97 F-Body LT1
  • Requires 60'' 6-Rib Serpentine Belt
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    Fits Applications
    MPG Installation Instructions for BBK Performance Products
  • $69.99
    Ships

    129-1598
    3-Piece Pulley Kit
  • 1985-87 F-Body, Monte Carlo, GM Truck 305/350
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    Fits Applications
    MPG Installation Instructions for BBK Performance Products
  • $149.99
    Ships
    02/24/12

    129-1603
    3-Piece Pulley Kit
  • 1988-95 GM Truck 4.3, 5.0, 5.7L
  • For use on external fan Alternator
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    Fits Applications
    MPG Installation Instructions for BBK Performance Products
  • $129.99
    Ships

    129-1620
    3-Piece Pulley Kit
  • 1988-92 F-Body 305/350
    View this item

    Fits Applications
    MPG Installation Instructions for BBK Performance Products
  • $149.99
    Ships