Yukon 1541H alloy 6 lug rear axle for '70-'81 GM 12T 4WD with a length of 31-7/16 inches and 30 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. Product Features:Fits 1970-1981 GM 12 bolt truck with 4 wheel drive30 spline31 7/16 long6 lug
