New never run Mark Willams 40 spline 7/8" Gun drilled axles, new bearings, used 5/8" drive studs, fits Mark Williams spool, 4 3/4 bolt pattern. Short axle left, 14" flange to end, long axle 17" flange to end, Olds 2 3/4" stand off, (lamb), also includes housing inter seals