Crankshaft Pulley, for Small Block Ford 289, 302, 351W, 351C V-Belt

Ford Small Block V-Belt Crankshaft Pulley (4 Bolt Crank) for 302, 351W and 351C engines. These underdrive pulleys are designed to fit 1965 - 1969 Ford Passenger cars 1965 - 1977 Ford Pick-up Trucks with transplanted 1969 1/2+ engine. Requires 4 bolt crank and passenger side lower radiator hose. Underdrive ratios for this pulley will spin the water pump and alternator at about 88% of enginer RPM to save you 10 - 15 horsepower. Dampener face to water pump flange face 3 1/4". (Does not Fit Ford Racing Short Water Pump) Pulley Diameter: 5.4" with 4 bolt pattern.