All Balls Racing Rear Independent Knuckle Side Kit Polaris Pro XD Mid-size / Ranger 570 The All Balls Racing Rear Independent Knuckle Side Kit offers an exact OE replacement to rejuvenate your rear knuckle assembly. Ensuring a match or advancement over OEM standards, it comes packed with bushings, Delrin bushings, needle bearing shafts, and O-rings required for rebuilding one side of the knuckle, enhancing your suspension's performance to its prime condition. Features: OE style replacement parts Meets or exceeds OEM specifications Includes 12x bushings, 12x delrin bushings, 6x needle bearing shafts 12x o-rings Rebuilds 1 knuckle side