Polaris RZR RS1 A-Arm Guards by Factory UTVFactory UTV RZR RS1 A Arm Guards offer the best in A arm protection. Constructed from ultra tough and slippery 3 8 UHMW these guards protect your A Arms from the off road abuse you love to put them through. These guards protect the arms themselves as well as giving you some CV Boot protection. This is the same protection Factory UTV Support racers have used to protect their race UTVs and win every major Pro UTV Endurance Championship race including