Speedway Motors International Driveline and Axles

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

Need help with rear end identification for your muscle car or hot rod? Learn how to identify 9-inch Ford housings and how to measure your axles with our diagrams.

GM’s 10-bolt rear axle has been around since the 1960s, here’s how to determine if your junkyard find is worth taking home

Dive into some of the history and unique differences between Ford and Chevy spindles for solid front axles and what will perform best on your hot rod.

Learn what gear oils do for your differential and how to choose the best gear lubricant for your application's needs

In this video, we go through the process of measuring and cutting 9" Ford axles.

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

Our hot rod expert takes you through his ford I beam axle setup. Follow as he sets up the front end on his split wishbone front suspension Model A.

We will show you the differences among traditional I-beam and tube axles and suspension designs used on hot rods; the differences between cross and traditional steering, measuring for springs, what spindles to choose, and much more.

In this Tech Tip, John answers a customer question about finding the right axle length for his 1931 Model A.