Billet Aluminum Ford FE Engine Water Pump Pulley (V-Belt) 1 Groove Water Pump Pulley for Ford FE Engines (390, 427 & 428). Pulley provides 87% underdrive ratio when used with CVF Racing crankshaft pulley. Designed for use with stock power steering and alternator brackets. Application 1) Ford FE series engines Fits vehicles with: 1) Engines without casted V-Groove in dampener 2) 3 Bolt pattern on crankshaft pulley 3) Dampener face to water pump flange face 2 3/8”