Winters Championship Quick Change, Differentials

Quick change rears have been around since the 1940s and while many are familiar with them, to others they’re a mystery we’ll help explain

We help determine what are the best 10-spline quick change gear ratios for your street or racing needs

Tim talks about our Winters quick change rear end & components.

This article demonstrates how to install a complete Winters quick change kit with additional parts including birdcages, brackets, and calipers for a modified race car.

A brief overview of the steps Speedway Motors takes to ensure you get a quality differential.

A short article explaining the main differences between open and limited slip differentials.

Watch this video to learn how to make your racecar legal for 2018. Greg, Speedway's race product manager, explains the new rules to help get you ready for this season.

An overview on swapping turbo mufflers for chamber mufflers on a 1969 C/10 pickup. See how to extend the muffler length using exhaust pipe.

Learn about GM alternator identification in our guide. We cover GM 3 wire alternators, 1 wire alternators, and externally regulated so you know what to choose.