GMC K25 700R4 Shifters and Control Modules

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

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.

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

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

Eagle Motorsports, Inc. put together a how-to video on installing their Stallard SST Shifter Assembly.

After installing a new cam in a LQ4 6.0 motor, it is now time to swap the lifters. Follow this step by step guide on how to prep and install LS7 roller lifters.

An overview on swapping turbo mufflers for chamber mufflers on a 1969 C/10 pickup. See how to extend the muffler length using exhaust pipe.