Yukon 1541H alloy rear axle for '80-'90 8.5 GM 4WD truck with a length of 31-1/2 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:Fits 1980-1990 GM 8.5 truck with 4 wheel drive28 spline31 1/2 long6 lug