Winters Modified Dirt Track Differentials

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

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

Dirt modified racing delivers high-horsepower, adrenaline-fueled action, learn more about them and their racing classes

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

The process on how to effectively winterize your fuel system in open wheel racing. This includes step by step instructions and recommended parts to use for your fuel system.

Learn a few tips on how to properly mount Modified bodies and some products that will help get your race car body fabrication job done!

Longacre provides some useful tips for storing tires in the winter.

In order to be competitive and win, it's important to find the right set up that works for you and your car. Here's some general reminders to remember during set up!

Devyn Peterson is an Auto Tech in the Speedway Motors Customer Experience center. He's also a racer, starting out in karts when he was just 5 years old. He moved up to a Modified when he was 13 and hasn't looked back!