Description:

V-Belt Crankshaft Pulley for Ford Small Block - 4 Bolt Crank with 3 Grooves. Made in the USA from 6061-T6 Billet Aluminum. Underdrive Ratio Increases Horsepower by 10 - 20 HP. Requires 4 Bolt Dampener and Drivers Side Lower Radiator Hose. Ford Passenger cars 1969 1/2+.