Word spreads fast among Pontiac racers regarding this pump. Walking through the pits at any national or divisional race, it is hard to find a Pontiac engine without this pump. Installation can be performed between rounds, its that easy to install! No inlet required. 1962 to 1968 engines must use 1969 & later 11-bolt timing cover, vibration damper and pulleys. Countersunk bolts and stock thickness body make it compatible with engine plates.