Stock Car Transmission Parts

Explore dirt stock car racing’s key terms, classes, rules, parts, and tips for success in this ultimate guide for new competitors.

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.

Why the budget-friendly Hobby Stock class is grassroots motorsports at its finest, and perfect for first-time dirt track racers.

Our new 78-88 GM Metric Chassis kits give the builder an all new kit, ready for assembly. Speedway Motors also carries everything else from suspension, body panels all the way to the engine to put your new Hobby Stock or Stock Car on the track.

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

A real-world guide to 4L60 transmission specs, strength, and swap tips.

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

We finally get to drive Project Chevelle after the big engine swap, and it's pretty awesome. Rowing through the gears with our new Tremec 5-speed isn't bad either!

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!

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