TH350, Transmission Conversion Kits

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

The LS swap is no doubt still going strong, but if you’re planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, you’ll need to pay attention to a few items we discuss in this buyer’s guide.

Learn what throttle and kickdown cables do, how to install them, and tips for troubleshooting issues like broken or stuck cables.

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

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

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.

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

It's fun to row your own gears. Tremec transmissions are a great way to add a modern overdrive manual to your classic car or truck. Here's a guide to help you select the right one.

Check out these tips on T-5 transmissions!

Small block Chevy V8 or the modern LS V8? Which one comes out on top as the best engine to swap into your ride?