S197 4L60E Transmission Parts

A real-world guide to 4L60 transmission specs, strength, and swap tips.

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

Follow along as Jeff installs an early 700R4 transmission for the big block in his 1967 Chevelle. See how this unit is upgraded and converted to a later 30 spline style.

Learn about the G Force crossmember and how the symmetrical product design makes for a smooth installation on Jeff's 1967 Chevelle.