BBK Steel Underdrive Pulleys for 1979-1993 5.0L Mustangs.Made from aircraft quality machined steel 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 the BBK headquarters in Suthern California for maximum performance.
This kit comes with complete installation instructions and allow the use of existing serpentine belts.
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