Secondary clutch made as an OE style Polaris (aka driven) clutch. This is the original style clutch, unless your model says "convert from Rapid Reaction to Boss" on it, in which case this is a bolt-on upgrade. Comes correct for ready to bolt on and ride with spring and helix already in it. We have spent a good amount of time testing and revising these clutches before to make sure they have a smooth and responsive performance on the models listed. This replaces part numbers: 1323015 and 1322960. FITMENT: 2014-2022 Sportsman 570 (only fits some packages, please make sure OEM clutch was # 1322960) 2016-2022 Sportsman 450 2011-2014 SPORTSMAN 400 2011-2014 HAWKEYE 400 GUARANTEE: Harveys ATV 1-year warranty.