20 Spline Yoke Fits: XMR 1000, Maverick and ’14 & newer Commander style Rear differentials. You will need a wear ring if you are using this on the differential side of the shaft. These yokes are made to very tight tolerances, if you are not careful when installing these you can damage the yoke or your pinion shaft. We recommend you take your time and clean the pinion gear before installing. —Great for custom applications— Uses Factory size U joint (398 at the auto parts store) Part numbers 715900271