BBK Underdrive Pulley Kit - Lightweight CNC Billet Aluminum (3pc) 15550

These BBK underdrive pulley kits for 1997-2004 F-Series Truck and SUV 4.6L & 5.4L are one of the easiest ways to free up an average of 8-10 horsepower from your 4.6L/5.4L in under 30 minutes.

BBK pulley kits are designed as direct bolt on replacements for the current factory pulleys and retain full cooling and charging characteristics. Each kit comes with complete installation instructions and allow the use of the existing serpentine belt.

DESCRIPTION:

• Bolt on 8-15 Horsepower in Minutes
• Durable Billet Aluminum Construction
• Retains Proper Cooling and Charging
• Uses Factory Length Belt

Easy Installation

This kit is designed to have your F-Series truck or SUV up an running in minutes. Please note that these are 8-Rib pulleys. Please verify this is correct kit for your vehicle.

Download Instalation Instruction

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