Pontiac Pulley Guide
Pontiac Pulley Selection Guide
Water Pump Pulleys
1964 to 1968 - 8 bolt water pump that is 3 5/8" tall
1664 - 1965 casting # 9772716
1966 - 1968 casting # 9782482
Early 1969 - 11 bolt water pump that is 4" tall Casting # 9796351
Late 1969 - 1979 11 bolt water pump that is 4 1/2" tall Casting # 482138 or # 488296
Dampener Pulleys
1964 - 1967 - 6 Bolt damper that is 2 pieces and 5 1/4 in diameter
1968 - 1979 4 Bolt damper that is 6 3/4 in diameter
Timing Covers
1964 - 1965 Casting #9773371 (8 bolt water pump &smaller 6 bolt damper)
1966 - 1967 Casting # 9783130 (8 bolt water pump & smaller 6 bolt damper)
1968 - Casting # 9790347 (8 bolt water pump & larger 4 bolt damper)
1969 - 1971 Casting # 9796346 (11 bolt water pump & larger 4 bolt damper)
1971 - 1979 Casting # 482883 (11 bolt water pump & larger 4 bolt damper)