Yukon 30 spline 4340 Chrome-Moly axle & Grizzly Locker kit for Jeep TJ, XJ, YJ & ZJ. This kit contains a 4340 Chrome-Moly axle kit, Grizzly locker (fits 3.73 & up), disconnect block-off kit & two Spicer U/Joints. Product Features:30 spline inner and 27 spline outerFits Dana Spicer 30 in XJ, YJ and TJIncludes inner and outer 4340 Chromoly axles, Spicer U-Joints, Yukon Grizzly Locker, carrier bearings and races.
