BBK Performance Products 1603 - BBK GM Billet Aluminum Underdrive Pulley Systems

BBK Performance Products 1603 - BBK GM Billet Aluminum Underdrive Pulley Systems

BBK Performance Products #129-1603

Underdrive Pulley Kit
  • 1988-95 GM Truck 4.3/5.0/5.7L
  • Requires 91.5" 6-Rib Serpentine Belt
    Includes:
  • Crank (Aluminum)
  • Water Pump (Aluminum)
  • Alternator (Aluminum)
    • $129.99 Ships
    MPG Installation Instructions for BBK Performance Products 1603 - BBK GM Billet Aluminum Underdrive Pulley Systems
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    BBK Performance Products 1603 - BBK GM Billet Aluminum Underdrive Pulley Systems

    BBK Performance Products 1603 - BBK GM Billet Aluminum Underdrive Pulley Systems Details

    GM

  • For use on external fan Alternator

    • BBK Performance Products 1603 - BBK GM Billet Aluminum Underdrive Pulley Systems

    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 USA.

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