These driven springs fit the B.O.S.S. (Built On Secondary Shaft) driven clutches with square slide blocks used on 2016-19 Polaris Ace 900, 2016-22 RZR 570/900/1000, 2017 Ranger XP 1000, 2017-18 Ranger Crew XP 1000 and 2016-22 General models.
Stock rates 118/190 or 72/132.