Yukon standard open spider gear kit for GM 10.5 and 14T with 30 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects. Product Features:Spider gear kitFits GM 10.5 14 bolt truck open differential Includes two side gears, four pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.