CNC machined aluminum pulley is made from high grade lightweight AluminumUtilizes the same diameter as the stock pulley. Keeping the diameter the same allows no issues to occur with the alternator as under driven pulleys can
Crank Pulley it is almost 4lbs lighter then stock providing quicker throttle response and more horsepower and torque sooner. Saves rotating mass results in better performance.
Water Pump Pulley
** All ISR Performance Products are Designed for Off Road Use Only **
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