When building a project car, nothing is worse than having to re-buy performance parts. This is especially true today when every hot rod dollar needs to be stretched as far as possible. For instance, ...

The Chevy 12-bolt axle shaft (left) is tapered; the Ford 9-inch shaft is the same diameter throughout its length, except for the short section just after the spline end. This makes it easy to narrow ...

The Ford 9-inch rear axle has earned legendary status among racers and builders for its strength, versatility, and ease of customization. From drag strips to off-road trails, it remains a go-to choice ...