Our 1971-1982 Corvette Engine Pulley System (3 pieces) will add up to 20 horsepower by reducing drag caused by accessory pulleys. Consists of crank, alternator and water pump pulleys. Provides a 22-25% reduction in drag. Highly polished, lightweight aircraft aluminum with clear coat finish. Makes your pulley system "shine"
Tech Note: Legal in California only for racing vehicles which may never be used on a highway