4L65E Street Transmission Parts

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

Leave all the head scratching to us, as we have your manual transmission bellhousing solution for your LS swap all figured out already

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

Check out these tips on T-5 transmissions!

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