Premium Quality Replacement PartRear Upper Lower Outer Left & Right Control Arm Bushing KitFor Polaris Models:Sportsman X2 550 2011-2014Order Includes:2x Short Pivot Shaft : 5137590 5135501Dimensions : 10X19X117mm 2x Long Pivot Shaft : 5136473Dimensions : 10X16X105mm4x Long Bushing : 5437651Dimensions : 19X37.7X47mm4x Short Bushing : 5439874 5436832 5436505Dimensions : 16X31X30mm2x Long Bolt : 7518467Length : 150mmThread size : M10X1.52x Short Bolt : 7518675Length : 140mmThread size : M10X1.54x Nut : 7547313Inner Diameter : 8.5mmOuter Diameter : 21.5mmHeight : 13mmThread Size : M10X1.5Note: Installs On Location (E) & (D) In Second PictureControl Arm Part Number:Rear Upper Left 1025619-067 1017216-067Rear Upper Right 1025620-067 1017217-067 Rear Lower Left 1019410-067 1017864-067 1018215-067Rear Lower Right 1019411-067 1017865-067 1018216-067**