Rear Independent Suspension Kit All Balls Racing Rear Independent Suspension Kit 50-1167 Rear Independent Suspension Kit Polaris Sportsman 450 HO 17-18, Sportsman 570 EFI 16-18, Sportsman 570 EFI MD 17, Sportsman 570 EFI X2 EPS 16-18, Sportsman 570 SP 16-17, Sportsman 570 SP After 12/15/17 18, Sportsman 570 SP Before 12/15/17 18, Sportsman Touring 570 EFI 16-18, Sportsman Touring 570 EFI EPS 16, Sportsman Touring 570 EFI EPS Built After 8/29 17, Sportsman Touring 570 EFI EPS Built Before 8/29 17, Sportsman Touring 570 EFI EPS MD 17, Sportsman Touring 570 SP 15-18