AC 427 TH400 Transmission Parts

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

Learn how to install a side detent shifter in a 1969 Chevy C10.

The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Here's what you need to know about GM's famous 4-speed automatic.

Learn how to install an external Transmission Cooler, to help keep the temperature of your transmission consistent.

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!

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

Exlpoded View of the Bert 1300 Late Model Racing Transmission

Speedway product guru Jeff K. wants to introduce you to another of his projects, "Elmer". There's a long history with Jeff and this vehicle, best told by Jeff himself.