Racing Axle Housings

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.

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

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

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.

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

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

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.

Learn how to assemble a rear axle assembly as we put together ours for the 410 Sprint Car Build. Our team of builders continues to make progress on the car!

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.

Steve replaces the factory GM 8.5" 10-bolt rear end on his '76 Chevrolet Laguna S3 with a GM 10 & 12 bolt bolt-on rear disc brake kit.