Up for auction is a pair of used Ford 28 spline rear axles that came out of a 1969 Ford Mustang Mach 1 9" rear end. The housing that these came out of was tapered. As such, these axles are also tapered on the ends and cannot be altered. The dimensions  were measured from the outside of the wheel mount hub to the end of the shaft.

Long shaft 31.750"

Short shaft 27.875"

The bearings and bearing retainers have been removed and the bearing journals are in perfect condition.