TH350, Bellhousing Adapters

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!

LS swaps are nothing new, but they're still a little mysterious to some of us. Here is an overview of what you will need and what you need to know to swap some modern performance into your muscle car, truck, or hot rod!

It's fun to row your own gears. Tremec transmissions are a great way to add a modern overdrive manual to your classic car or truck. Here's a guide to help you select the right one.

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.

This new steel bellhousing from Speedway Motors is made for everyone who wants to run three pedals without spending a fortune or relying on a crusty original.

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

One of the most challenging things about swapping transmissions can be figuring out the clutch linkage. Speedway can show you how to install the upgraded hydraulic throwout bearing with ease.

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!