Billet Aluminum Pontiac Water Pump Pulley (1969+) 2 Groove Water Pump Pulley for Pontiac Engines (350 - 400, 428 & 455). Designed for use with stock power steering and alternator brackets. FITS VEHICLES WITH: 1968 or newer dampener 1969 or newer water pump (4.5" from flange to engine block SIMILAR TO PONTIAC WATER PUMP PART NUMBER 481040XT PONTIAC V8 ENGINES (350 - 400, 428 & 455) 1969+ Pontiac Passenger Cars Generally fits the following models with original 350, 400, 428 & 455 engines installed. Note: 1969 was a transition year and you need to ensure that you have the taller 4.5" water pump. 1969 - 1974 Pontiac GTO 1969 - 1977 Pontiac Grand Prix 1969 - 1981 Pontiac LeMans 1969 - 1976 Pontiac Bonneville 1969 - 1976 Pontiac Firebird 1969 - 1976 Pontiac Transam 1969 - 1981 Pontiac Catalina 1978 - 1980 Pontiac Grand Am 1969 - 1972 Pontiac Tempest 1969 - 1977 Pontiac Ventura