Premium Quality Replacement Rear Upper Inner Outer Left & Right A Arm Bushing Kit fits Polaris models: Sportsman 450 HO 4×4 2016-2020 Sportsman 570 EFI 2016-2020 Sportsman Touring 570 EPS 2018-2023 Sportsman X2 570 EPS 2016-2021 Sportsman 570 6×6 2021-2023 Sportsman SP 570 Eps 2016-2020 Sportsman SP 570 Touring 2016-2020 Included: 6 x Pivot Shaft: 5020826 Length: 74mm Inner Diameter: 10mm Outer Diameter: 16mm 12 x Bushings: 1543326 Length: 29.7mm Inner Diameter: 16mm Head Diameter: 31.5mm Tube Diameter: 21mm 6 Nylon Insert Nuts: 7542439 7542453 Width: 11.2mm Inner Diameter: 8mm Outer Diameter: 14.2mm Rear Upper Arm Part Number A Left: 1017747-067 Right: 1017748-067 Bearing Holder: 5135563