Check the listing for details. Pontiac Water Pump Pulley 350 400 428 455 GTO V8 WP Billet Aluminum V-Belt Vbelt. Condition: New. Listed at 70.00 USD. Pontiac Water Pump Pulley 350 400 428 455 GTO V8 WP Billet Aluminum V-Belt VbeltPontiac Water Pump Pulley 1971+ (1969+ with CVF Racing Brackets) Billet Aluminum 2 Groove V-Belt Water Pump Pulley for Pontiac V8 Engines (350-400, 428, 455). This pulley has been CNC machined in the USA from a solid bar to ensure that it is balanced and runs perfectly true. We then hand polish each part to a mirror finish so that it really makes your engine stand out from the crowd. Application 1) Pontiac V8 engines 1971+ with OEM Brackets 2) Pontiac V8 engines 1969+ with CVF Racing Brackets Fits vehicles with: 1) 1968 or newer 4 bolt dampener 2) 1969 or newer water pump (4.5" from flange to engine block) Water Pump Pulley: Part Number: PONT2WP Grooves: 2 Diameter: 6.2" Overall Length: 2.7" Pilot Diameter 0.625" (5/8") Material: 6061-T6 Billet AluminumPontiac Water Pump Pulley 1971+ (1969+ with CVF Racing Brackets) Billet Aluminum 2 Groove V-Belt Water Pump Pulley for Pontiac V8 Engines (350-400, 428, 455). This pulley has been CNC machined in the USA from a solid bar to ensure that it is balanced and runs perfectly true. We then hand polish each part to a mirror finish so that it really makes your engine stand out from the crowd. Application 1) Pontiac V8 engines 1971+ with OEM Brackets 2) Pontiac V8 engines 1969+ with CVF Racing Brackets Fits vehicles with: 1) 1968 or newer 4 bolt dampener 2) 1969 or newer water pump (4.5" from flange to engine block) Water Pump Pulley: Part Number: PONT2WP Grooves: 2 Diameter: 6.2" Overall Length: 2.7" Pilot Diameter 0.625" (5/8") Material: 6061-T6 Billet Aluminum