4L85E Hot Rod Shifters and Control Modules

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

Dive into some of the history and unique differences between Ford and Chevy spindles for solid front axles and what will perform best on your hot rod.

If you're going to buy a horn isn't it nice to know what it sounds like first? That's why Speedway produced a helpful video to hear the differences in the unique horns that we offer.

Tim talks about the process of upgrading the factory hubs on his 1929 Roadster project with new manufacture units courtesy of Speedway Motors.

Learn how to lower a hot rod by modifying the axles and some history behind early hop ups. This project features a Ford axle with wishbones for a Model A.

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

Cowl steering is a racecar-inspired steering configuration for your hot rod that can solve a lot of problems. Here's how to do it.

It may feel like a daunting task attempting to determine the best leaf spring for your traditional hot rod straight axle build, but our buyer's guide will surely help.

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.

This handy adapter is an inexpensive way to adapt an LS into your classic, muscle car, or truck. It takes care of the steam line as well as the hose diameter difference, allowing you to run a standard radiator with your LS swap.