USA Standard 1541H alloy rear axle for GM 8.6 (03-05' with disc & '06-'07 trucks with drum brakes) with a length of 33 9/16, 6 lugs 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. Product Features:Fits 2003-2005 GM half ton truck with disc brakes and 2006-2007 with drum brakes30 spline33 11/16 long6 lug
