Small Ford Water Pump Pulley, 289, 302, 351W, 351C V-Belt Ford Small Block V-Belt Water Pump Pulley - 4 Bolt Crank with 1 Groove 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+