These Black powder coated steel pulleys fit all 1979-1993 5.0 liter Mustangs.
Each kit includes alternator,water pump and crankshaft pulleys and have been dyno-proven to yield approximately 15 horsepower !!
They work by slowing down the horsepower robbing front engine accessories which in turn means more horsepower to the rear wheels.
Kits include all necessary hardware and instructions.
