Yukon (YA W24160-YGL) 4340 Chrome-Moly Axle and Grizzly Locker Kit for Jeep 30-Spline Differential Limited Lifetime Warranty Performance Axles Axles Made from High Grade 4340 Chromoly Steel for Superior Strength Includes inner and Outer axles, Spicer U-Joints, Yukon Grizzly Locker, carrier bearings and race