BBK performance underdrive pulley kits add approximately 10Hp. Made from fully CNC-machined billet aluminum, black nitride finish and easy to install. Will not hurt cooling or charging performance. 3.8L V6 kit contains two pieces (crank and alternator pulley). The way these pulleys work is by slowing down the front accessories, which rob the engine of horsepower, which in turn means more horsepower to the rear wheels All kits include all hardware and instructions for a simple installation. Two piece kit; direct bolt-on.
Use a Gates K060960 serpentine belt (or equivalent) available on-line or at your local NAPA store. 
Free UPS Ground shipping in the lower 48 states! Usually ships the next business day.
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