Billet Aluminum Pontiac Underdrive Pulley Kit, 350-400, 428, 455, V-Belt, Power Steering

Pontiac Big Block Pulley Kit, V-Belt (350 - 400, 428 & 455) Designed for use with stock power steering and alternator brackets. Application is Pontiac Big Block engines 1969+. Requires 1969 or newer water pump (4.5" from flange to engine block) and 1968 or newer dampener. Pontiac Pulley Kit Contents: Water Pump Pulley P/N PONT2WP Grooves: 2 Pulley Diameter: 6.2" Pilot Diameter: 0.625" Crankshaft Pulley: P/N PONT2CR Grooves: 2 Crank Pulley Diameter: 6.2" Crank Pulley Bolt Pattern: 4 Bolt Alternator Pulley: P/N PONTALT Diameter: 2.7" Alternator Shaft Diameter: 11/16"