BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built
Installing a Set of BBK Performance Underdrive Pulleys is one of the Easiest Ways to Gain Approximately 8-10 Horsepower
Direct Replacement Pulley Kit Re Uses Existing Serpentine Belt and Will Not Affect Cooling or Charging of the Vehicle
Premium Quality CNC Machined Lightweight Billet Aluminum Pulley Kit Add Great Looks and Performance
3 Pc Kit Includes Crank, Water Pump and Alternator Pulleys and all Hardware and Instructions for Simple Installation
BBK Aluminum Under drive Pulley Kit for GM Truck 4.3/5.0/5.7L - 3 Piece is made from aircraft quality aluminum alloy. These BBK under drive front accessory pulley kits are one of the easiest ways to free up an average of 8-15 horsepower in under 30 minutes. These BBK pulley kits are designed as direct bolt on replacements for the current factory pulleys and retain full cooling and charging characteristics. Brand: BBK Performance, Model: 1603
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