Yukon 1541H alloy replacement rear axle for Dana 60, 70, and 80, 35 spline. (40" ->43.5" ) Full float axle (8x3.96" ). Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a full-floating axle.