4340 Chrome Moly axle shaft for Chrysler 10.5" & 11.5" rear. This is a cut to length axle which fits 36.1" to 40.1" lengths with 38 splines. Yukon 4340 Chrome Moly alloy axles offer a strength increase over stock while retaining a low cost. Yukon 4340 Chrome Moly alloy rear axles come with a limited lifetime warranty against manufacturing defects. The factory spindles will need to be machined in order to accept these axles.