2004R, Automatic Transmission Parts

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

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

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

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.

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.

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

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

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.

Exlpoded View of the Bert 1300 Late Model Racing Transmission

Brinn Transmission Rebuild Instructions