Swing Arm Bearing Kit 28-1213A Quality Swing Arm Repair Kit from All Balls Racing containing everything required to rebuild swing arm bearings. Confirm suitability for your year, make, model prior to purchase. Bushings are case hardened and plated to prevent wear and corrosion. POM composite washer bearings replace thrust needle washers for superior resistance to water and dirt and increase service life. Shafts are made from 52100 Bearing steel, through hardened and precision