BBK Aluminum Underdrive Pulleys for April 2, 2001-2004 4.6L 2V Mustangs.Made from aircraft quality machined aluminum alloy these BBK 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 BBK pulley kits are designed as direct bolt on replacements for the current factory pulleys and retain full cooling and charging characteristics.
Each BBK under drive pulley kit is vehicle specific. They are designed and tested at te BBK headquarters in Southern California for maximum performance.
Each kit comes with complete installation instructions and allow the use of existing serpentine belts.
A quick way to tell if you have early or late pulleys is early 2001 pulleys faes are bowed outward, later models it is recessed.
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This product will fit the following Ford Mustang years: