Rear Independent Suspension Kit Polaris RZR 4 XP 900 12-14, RZR 4 XP JAGGED X 13, RZR RS1 18-22, RZR XP 1000 14-20, RZR XP 1000 Dynamix 19, RZR XP 1000 High Lifter 15-21, RZR XP 1000 INTL 15, RZR XP 1000 LE 20, RZR XP 1000 Premium 20-22, RZR XP 1000 Ride Command 17-19, RZR XP 1000 Sport 22, RZR XP 1000 Trails & Rocks 17-22, RZR XP 4 1000 14-20, RZR XP 4 1000 Built After 10/20/15 16, RZR XP 4 1000 Built Before 10/19/15 16, RZR XP 4 1000 Dynamix 19, RZR XP 4 1000 High Lifter 17-22, RZR XP 4 1000 Premium 21-22, RZR XP 4 1000 Ride Command 18-19, RZR XP 4 1000 Sport 21-22, RZR XP 4 Turbo 16-21, RZR XP 900 11-14, RZR XP Turbo 16-21, RZR XP Turbo MD 16, RZR XP Turbo S 18-19, RZR XP Turbo Tractor 17-18