QuadBoss 04-09/12-13 Yamaha YFZ450 Swingarm Repair Kit - 413533

Ensure your swingarm bearing assembly is properly rebuilt with this repair kit. Needle bearing shafts are made with 52100 bearing steel that has been hardened and precision ground. All metal bushings are case-hardened and plated to prevent wear and corrosion. POM composite washer bearings replace thrust needle washers for increased service life and superior resistance to water and dirt.