Modified Axles

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.

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.

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.

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.

Speedway Motors employee Steve L. takes a few minutes to talk about the various straight axle and radius rod options available at Speedway Motors.

There is certainly more than one way to get your project's ride height or stance where you want it and we provide a brief overview of the options in this buyer's guide on lowering products.

Posi, limited slip, Traction-Lok, or whatever your favorite brand calls it is how your rear axle provide equal traction to both tires, and trust us, you’ll need it! So, read all about posi units and their benefits here in our guide.

Learn how to lower a hot rod by modifying the axles and some history behind early hop ups. This project features a Ford axle with wishbones for a Model A.

Click to learn about split wishbone, hairpin radius rod, and four bar suspensions. Learn the history and difference between these solid axle suspension designs.

In this Tech Talk episode, we detail the install of a C10 G-Comp Rear Suspension kit. This kit uses truck arms like the original, but adds coilovers and plenty of adjustment options.