GM B-Body Auto Trans Valve Bodies

Learn what a manual valve body can and cannot do for your automatic transmission and performance driving needs

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

There are a lot of choices when it comes to automatic shifters, and we’ll help unpack all the options and features in our automatic shifter buyer’s guide

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility.

Learn a few tips on how to properly mount Modified bodies and some products that will help get your race car body fabrication job done!

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

If you're ready to swap an LS engine into you '73-'87 Squarebody Chevy or GMC truck, here's a guide to get you started and a parts list to help you get everything you need for your swap.

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.