Hearing a loud clicking or grinding from the front of your Polaris RZR? These tiny but critical spring clips inside the front differential sprague clutch often break. This pack replaces them. Fits Polaris RZR 570, 900, and 1000 models from 2015-2019. OEM part number 3235625. Made by Quad Logic, part number 100-1129-(24), with a 1-year warranty. (CA Prop 65 warning). A cheap fix for a very common RZR problem that can save your front differential. For experienced DIYers or mechanics.