Billet Aluminum V-Belt Pulley Kit (3 Bolt Crank) for Ford Small Block, 289, 302, 351C or 351W engines. This kit will for result in underdrive pulley ratio of 88%. Designed for use with stock alternator and power steering brackets. Application 1) Ford Passenger cars 1965 - 1969. 2) Ford Trucks 1965 - 1977 Fits vehicles with: 1) Factory 3 bolt fluid dampener 2) Passenger side lower radiator hose. 3) Dampener face to water pump flange face 3 7/8" Ford Pulley Kit Contents: Water Pump Pulley P/N SBFE2WP Grooves: 2 Pulley Diameter: 6.2" Pilot Diameter: 0.625" Crankshaft Pulley: P/N SBFE3CR Grooves: 3 Crank Pulley Diameter: 5.4" Crank Pulley Bolt Pattern: 3 Bolt Alternator Pulley: P/N SBF1ALT Diameter: 2.7" Alternator Shaft Diameter: 11/16"