['ol Pinion head]

Originally Posted by moto-d

Thanks Adam, but 70 axle housing is a bit too long for 67 A bodies.

Chevrolet A body rears were the only ones that followed that scenario. The '67 nodular iron 3.55 Safe-T-Track A body rear only differs from the '70 model counterpart in center housing casting number & the provision that the '70-72 Pontiac 8.2 A body rear utilizes tapered bearing axles, which by design are far superior to the previous sealed ball bearing design.