Premium Quality Replacement PartRear Bearing Carrier Lower Bushing Kit For Polaris Sportsman XP 550 2010This is the Bushing Kit that connect your Lower control A-Arm to the rear bearing carrierFor Polaris Models:Sportsman XP 550 2010Order Includes:1x Bolt : 7518675Height : 150mmThread size : M10X1.51x Nut : 7547313Height : 13mmInner Diameter : 8.5mmOuter Diameter : 21.5mmThread Size : M10X1.51x Pivot Shaft : 5137590 5135501Length : 117mmInner Diameter : 10mmOuter Diameter : 19mm2x Bushing : 5439874 5436505 5436832Height : 47mmInner Diameter : 19mmOuter Diameter : 37.7mm**