DMI XR-1 Dirt Track 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.

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.

Rebuilding an engine? Stay organized by using a valvetrain rocker arm organizer tray while disassembling the valvetrain components. Learn some tips on why you shouldn't mix up lifters if you intend on using them again.

Speedway Motors employee Greg N. takes some time to sit down and talk about the RACEceiver radios, kits, and components.

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!

Speedway Motors employee Tim M. has been chipping away steadily at his '29 roadster for awhile now. This time Tim tackles one of the big pieces, the long block rebuild of his 241 Red Ram Hemi.