Revolution Gear and Axle, Replacement series, Rear axle shaft for Jeep Cherokee XJ w/Chrysler 8.25 Inch 85-96, fits both Left and Right side, 29.87 Inch 27 Spline (OE# 53008134 / Hollander# 447-8131). Revolution replacement series axles are made from 1541H Steel and utilize a state of the art computer controlled heat treated process. The use of better material and better heat treating process gives our replacement axles a 10 Percent increase over the OEM axles.