TH400 Racing 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.

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

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.

Exlpoded View of the Bert 1300 Late Model Racing Transmission

Check out these tips on T-5 transmissions!

Follow Tim as he swaps tail housings and covers on a T-5 transmission

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

We finally get to drive Project Chevelle after the big engine swap, and it's pretty awesome. Rowing through the gears with our new Tremec 5-speed isn't bad either!

Unleash power, save money with Speedway Motors. Turbo setups for your 4.8, 5.3, or 6.0 LS engine offer unmatched dollar-to-horsepower value. Get it right the first time with us!