The Turner Performance Products Linkage Bearing Kit contains all of the necessary bearings to rebuild your linkage for your motorcycle or ATV. Contains everything required to rebuild swing arm linkage to factory specifications. The kit features: 52100 Bearing Steel - Through hardened and precision ground. Needle Bearings - 52100 bearing steel ARC61-65 heat treated ST13 steel shell. Bushings - Case hardened and plated to prevent wear and corrosion. Lower Shock Bearing Kit Included – Turner Performance Products linkage kits include the lower shock bearing kits. Note: Image is for display purposes ONLY; kit contents will vary by fitment and are subject to change. Kit Includes: 5 needle bearing(s). 5 needle bearing shaft(s). 8 seal(s). 8 split bushing(s).