Racing Manual Trans Gears

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

Leave all the head scratching to us, as we have your manual transmission bellhousing solution for your LS swap all figured out already

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

We help determine what are the best 10-spline quick change gear ratios for your street or racing needs

We can teach you some of the major differences between the Ford and GM-style T5 Flathead transmission adapter kits. We'll also walk you through choosing the correct parts in order to make this installation a breeze!

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

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.

Learn about how aftermarket transmission coolers can help keep your transmission cool and the different options available for cooling with our expert guide.

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

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.