Smal Block Ford Pulley Kit,289 - 302 V-Belt Ford 289 & 302 Underdrive Pulley Kit - V-Belt Made in the USA from 6061-T6 Billet Aluminum Underdrive Ratio Increases Horsepower by 10 - 20 HP Requires 3 Bolt Dampener and Passenger Side Lower Radiator Hose Ford Passenger cars 1965 - 1969 & Ford Trucks 1965 - 1977