The Yukon USA standard axle for GM 8.2" and 8.5" passenger cars is a 28-spline shaft measuring 30 1/8" long with a 2.780" hub. Presented as a standard replacement, it matches the documented spline count, overall length and hub pilot dimension for GM passenger car applications using 8.2" or 8.5" rear assemblies.
USA Standard Axle For 8.2in & 8.5in GM Passenger Car. 30 1/8in Long / 28 Spline / 2.780in Hub