Chevy Silverado 3500 4L65E Transmission Parts

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

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

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.

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

Derek kicks off his 55 Chevy rebuild with a fresh small block.

Follow along as our Tech installs dropped spindels and performs a disc brake conversion on his '55 Sedan. He utilizes a metric brake conversion kit.

John Vecchio is a lifelong '55 guy, and his new convertible hides some modern technology under the timeless sheetmetal.