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 ...

T&D Machine Products offers a high-quality kit that provides a pinion depth checker, which can be used on a number of differentials. Kit part No. 100 comes with everything you'll need to properly set ...