A-Arm Bearing Kit Upper. Improve handling and suspension by replacing A-Arm parts damaged by wear and corrosion. Complete kit, contains: Bearings, pins, collars, and seals manufactured to O.E.M. specifications for a perfect fit - and considerable savings over O.E.M. pricing. Includes Chevron Starplex® EP lubricating grease to ease installation. Packaged as a complete set, left and right upper A-arm all in one kit. Kits are assembled to complete both upper A-arm rebuilds. Backed by a lifetime replacement offer. Notes: Kits are available separately for upper or lower A-arms. Actual kit contents may vary by fitment. Yamaha kits have been upgraded with needle roller bearings for reduced friction. Bushings included with Can Am / Polaris application have been upgraded to machined acetal resin bushings with an integrated O-ring seal and grease reservoir grooves.