ATK Engines GMC R2500 TH350 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.

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 GM LS engine is the hot powerplant these days. But is there too much of a good thing?

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!