Speedway Rearend Spools

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

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

Get more details on Project Chevelle's 9-inch housing, third member, and tubular control arms installation.

Rear axle assembly can be difficult, but Jason Martin is here to help simplify the process. Learn how to square the rearend of your sprint car.

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

Speedway Motors employee Pat O. talks about shock ends.

A full floating rear end is not just for dedicated track cars anymore. Many high horsepower street cars will be well suited to make the move to a Grand National style full floating axle. Read on to see why.

Explore dirt stock car racing’s key terms, classes, rules, parts, and tips for success in this ultimate guide for new competitors.

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

Jason Martin explains how to square the front end of a sprint car. He walks through the step by step process of squaring the front axle, adjusting the radius rods and setting the side to side. Check it out!