Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set.Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.Fits Jeep JK non-Rubicon rear open differentialSpider gear kitNotes:** Please allow a lead time of 3-4 weeks for production and shipping depending on demand. Feel free to contact us prior to ordering for a check on inventoryFits:Jeep Wrangler JK 2 Door (2007-2018)Jeep Wrangler JK 4 Door Unlimited (2007-2018)