Street Auto Trans Shift Kits

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

Speedway Motors employee Pat O. is back to talk Ford Automatic OverDrive Kickdown brackets and kits.

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

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

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

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.

Looking to update that '67-'72 C10 truck with an LS swap? These motors mounts and transmission crossmember kit will make that modern powerplant and transmission fit like they came that way from the factory!

Follow along as Jeff installs an early 700R4 transmission for the big block in his 1967 Chevelle. See how this unit is upgraded and converted to a later 30 spline style.

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