AC Ford 9 Inch 31 Parts

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

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.

Advantages of using Speedway Motors weld-on rear disc brake kit for a Ford 9-Inch rear end. Learn some tips for installation. This kit includes IMCA approved brake calipers.

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.

Learn how to assemble one of our bolt on nine-inch Ford disc brake kits in this step-by-step guide.

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.

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

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

In this Tech Tip, John responds to a customer looking to upgrade the 8” stock differential in his Cougar to a 9” open diff.

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