Yukon standard open spider gear kit for 9 Ford with 31 spline axles and 4-pinion design. 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 kitFit Ford 9 open differential with 31 spline axlesIncludes two side gears, four pinion gears, cross pin shaft, roll pins and spider gear thrust washers.
