The All Balls Upper A-Arm Kit is designed to replace worn out rubber bushings and give superior suspension performance. Upgrade rubber bushings found in ATV A-Arms to All Balls' Acetal thermoplastic or the redesigned HD Delrin bushings (based on fitment). This kit is designed to replace worn out rubber bushings and provides greater suspension travel and performance. Each kit contains the necessary bushings, needle bearing shaft and seals to assure long component life. Notes: Kit only contains parts to rebuild ONE Upper A-Arm. Kit contents will vary by fitment and are subject to change. Kit Includes: 4 Delrin bushing(s). 2 needle bearing shaft(s).