Repair your front upper and lower LH/RH A-Arms with a New A-Arm Bushing Rebuild Kit from Quad Logic! This kit works for all four A-Arms (Upper LH/RH, Lower RH/LH). Choose between four kit options. Replaces Polaris Part Number(s): 7518466 (Flange Bolt), 7547313 (Flange Nut), 5137346 Control Arm Pivot Shaft Bushing), 5439874 (Bushing), 7061187 and 7061220 (Ball Joint).