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.