DMI Racing Quick Change Components

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

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.

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

How to determine the quick change R&P ratio without opening up the rear in street cars with quick changes, sprint cars, modifieds, late models and GOTRA cars.

Dirt Track Racing Tire pressure affects many variables when it comes to dirt track racing that can contribute to speed. Find out more on how the right amount of air can help you reach your dirt track lap time goals.

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!

Little is thought of your engine’s starter until it refuses to turn your engine over at the worst possible moment. Today’s powerful mini starters can crank the biggest engines with ease. Learn how in our buyer’s guide.

Learn about finding the correct beadlock rings, lug-nut taper, wheel spacers, mud covers, and valve stems. This components are critical for safety.

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