B&M GMT Trucks 700R4 Parts

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

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.

Here's our attempt to do the impossible: pick a favorite GM truck design!

Jarry and Ryan Givens are father and son, and this pair of Novas proves the apple doesn't fall far from the tree!