Yukon 1541H alloy 5 lug rear axle (one single shaft) for ’99 – ’04 8.8 Ford Mustang. axle has a length of 30-3/4 inches and 31 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a five year warranty against manufacturing defects. This is a C-clip axle.