Polaris RZR XP 1000 RackBoss® 2.0 Rack and Pinion by SuperATVPolaris RZR XP 1000 RackBoss 2. 0 Rack and Pinion FEATURES Heavy duty dual PTFE bushings: Designed with X24 Tech Prevents wear Reduces slop Improves overall durability Available tie rod options: Swaged steel tube Solid steel bar Billet aluminum hex Solid steel and billet aluminum tie rods use: 3 4 outer tie rod ends Rebuildable inner tie rod ends that use 3 4 rod threads and 16 mm rack threads Swaged tube tie rods use: 14 mm outer tie rod ends