BBK Aluminum Underdrive Pulleys
- Increase Horsepower
- Reduce Drag
- Made in USA
- Satin or "clear" Finish Pulleys
- Billet Aluminum
- Installs with simple hand tools
What's in the Box
- (1) Crank Pulley
- (1) Water Pump
- (1) Alternator Pulley
- Installation Hardware
Made from aircraft quality machined steel or aluminum alloy these BBK Mustang under drive front accessory pulley kits are one of the easiest ways to free up an average 8-15 horsepower in under 30 minutes. These Mustang BBK pulley kits are designed as direct bolt on replacements for the current Ford factory pulleys and retain full cooling and charging characteristics. Each BBK Mustang underdrive pulley kit is vehicle specific. They are designed and tested at the BBK headquarters in Southern California for maximum performance.
These underdrive pulley kits are available in a hand-polished aluminum finish or gloss black powder-coated steel. Each Mustang pulley kit comes with complete installation instructions and allow the use of existing serpentine belts.
Fits 1979-1993 Mustang 5.0
- Alternator Pulley - 2.56"
- Crank Pulley - 4.75"
- Water Pump Pulley - 5.25"
This product is intended for off-road use only, and is not legal for use in emission restrictive states. Off-Road Disclaimer
The alternator pulley in this kit will only work with the stock 75 amp alternator. The underdrive alternator pulley will NOT work on 3g upgrades.
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