Yukon 1541H alloy 5 lug rear axle for 8.5 GM 2WD van, C10, and 1559 with a length of 33-7/16 inches and 28 splines. 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 C-clip axle. Product Features:28 spline5 lug33 7/16 longFits GM 8.5 in 1975-1988 GM van