~(5 lbs. 6X6X4)~ JET Pulley Set

The Jet Performance Products Underdrive Pulley Set is designed to slow down accessories that your engine uses, such as water pumps, power steering, and the HVAC system. By slowing down the rotation system’s speed, these underdrive pulleys will increase the engine output. They will provide your vehicle with an additional 10-13 hp, better gas mileage, and enhanced acceleration. These 6-groove serpentine crankshaft pulleys are made using tough billet steel. It’s a one-piece construction that reduces the weight of the stock unit, which allows for performance improvements. It has a black finish, making it resistant to corrosion and extreme temperatures generated by the engine.