Revolution Gear & Axle, Replacement series, Rear axle shaft for Jeep D35, 90-06 Cherokee XJ, Wrangler TJ, YJ & 93-98 Grand Cherokee ZJ, Left Hand, 30.35" 27 Spline ABS & Non (OE#73624-2X / Hollander# 447-1199L). 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% increase over the OEM axles.