Ford Big Block Pulley Kit (429 - 460) A/C Applications Pulley Kit for Ford Big Block Engines (429 - 460). Designed for use with stock power steering and alternator brackets. We also have brackets, alternator fans and power steering pulleys available for Big Block Engines. This is a great price! Fits vehicles with: 1) 1970 or newer water pump 2) 4 Bolt pattern on crankshaft pulley 3) Dampener face to water pump flange face 3 1/16" Ford Pulley Kit Contents: ---Water Pump Pulley ---P/N BBFL2WP ---Grooves: 2 ---Pulley Diameter: 6.0" ---Pilot Diameter: 5/8" & 3/4" ---Crankshaft Pulley: ---P/N BBFL3CR ---Grooves: 3 ---Crank Pulley Diameter: 5.4" ---Crank Pulley Bolt Pattern: 4 Bolt ---Alternator Pulley & Cap: ---P/N ALTPULLEY ---Diameter: 2.7" ---Alternator Shaft Diameter: 11/16" Material: 6061-T6 Billet Aluminum Made in the USA.