1994-2004 Mustang Underdrive Pulleys

These 94-04 Mustang underdrive pulleys are a great way to free up some horsepower and get your engine looking great! These resized pulleys replace your crank, water pump, and alternator pulley to reduce drag and increase performance. Add a set to your 5.0L or 4.6L motor and see gains of up to 10+ hp and 2-3 mpg.