Ford 31 Axles

Learn how to ID a Ford 8.8 rear end by tag, width, and code. Compare 8.8 vs 9-inch axles, decode gear ratios, and find which Ford models used them.

Learn why the Ford 9-inch rear end is the go-to axle for performance builds, and why this legendary rear end is trusted for high-horsepower applications

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.

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.

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

Lucas P. explains how to choose the correct part for a Ford 9" third member build in order to achieve a bulletproof rear. You will find specific recommended parts to use from Speedway Motors.

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

A step by step guide on how to install an open drive conversion kit on a Ford Banjo rear end. View the list of tools and materials needed to complete this installation.

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

With the coil-overs attached, it is now time to make the Chevelle rear whole again. Follow along as Jeff installs a 9" third member and spline axles with a few tips on axle lengths and bolt patterns.