The Chevy 6's all used the same oil pump. But, there are oil pumps from 4 cyl 151's that will fit but use a different drive tang. Your pump should have been a M62 It only should have 1 slot for the dist to fit in and drive.
Inliner Member 1716 65 Chevelle Wagon and 41 Hudson Pickup Information and parts www.12bolt.com
