Premium Quality Replacement PartFront & Rear Knuckle Retaining Ring ClipFor Polaris Models:Ranger 1000 Diesel/Diesel Crew 2015-2018RZR 4 900 EPS 2015-2018RZR XP 1000 2015-2018RZR XP 1000 High Lifter/Sport/Premium 2021RZR XP 1000 Trails & Rocks 2021General 1000 EPS/EPS Deluxe/EPS Premium 2016-2020Ranger 570 4×4 FULL SIZE 2016RZR 570 2016-2020RZR XP 4 1000 2015-2019/High Lifter Edition 2021RZR XP 4 Turbo/Turbo S Velocity 2016-2021RZR XP Turbo/Tractor 2016-2021Ranger 1000 Diesel/Diesel Crew 2015-2018Ranger Crew 900 EPS 2019Ranger HST 2015-2017ACE 900 EPS XC 2017-2019ACE 570 2017-2021Order Includes:1x Knuckle Retaining Ring Clip : 771078080.7 mm | 3.17 “Thickness : 2.4 mm | 0.09 “**