Complete 8 Rib Serpentine system for the Pontiac engines with alternator.
Note: Requires 4 bolt pattern on Harmonic Balancer and 11 Bolt water pump that is 4.5" tall
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.