GMC Muscle & Classic Car Automatic Transmissions

Speedway Motors announced today they will debut new products and two new product lines in their booth (#23791) at the 2024 SEMA Show Nov. 5-8 in Las Vegas, Nev.

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

I'm sorry to have to tell you this, but the '64 GTO was not the first muscle car.

Learn how to install our new Muscle Car Shifters from Lokar.

Prepare your classic muscle car for autocross competition by exploring the best options, beginner tips, and essential suspension upgrades.

Old trucks are just meant to have manual transmissions. They're made even better with a modern overdrive like a Tremec TKX. Watch our C10 manual transmission conversion on an LS-swapped '68 to see just how easy it is to row your own gears,

Who gets your pick as the best manufacturer from the golden age of the muscle car wars?

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

Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility.

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.