Premium Quality Replacement Rear Upper Lower 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 Kit includes: 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 x Nylock Nuts: 7542439 7542453 Width: 11.2mm Inner Diameter: 8mm Outer Diameter: 14.2mm 2 x Long Pivot Shafts: 5139929 Length: 282.6mm Inner Diameter: 8.2mm Outer Diameter: 16mm 4 x Flange Washers: 7556153 Thickness: 2mm Inner Diameter: 10.6mm Outer Diameter: 19.8mm 4 x Long Bushings: 5436973 Length: 102mm Tube Diameter: 21mm 4 x Bolts: 7517873 Height: 77mm Length: 15.6mm Thread Size: 7/16-14 8 x Bushings: 5438902 Width: 18.5mm Inner Diameter: 31mm Outer Diameter: 47.5mm 4 Bushings: 5632291 Length: 48.3mm Inner Diameter: 11.4mm Outer Diameter: 31mm Rear Upper Arm Part Number A Left: 1017747-067 Right: 1017748-067 Rear Lower Arm Part Number A Left: 1015888-067 Right: 1015889-067 Bearing Carrier: 5135563