Features 1Applicable Models: Replacement for Polaris Rzr 170 2009 ? 2013; Replacement for Polaris Predator 90 2004 ? 2006; Replacement for Polaris Sportsman 90 2004 ? 2014; Replacement for Polaris Outlaw 90 2007 ? 2014, etc. 2OEM Numbers: Replacing manufacturer part numbers are 0452954, 0451686. The chain tensioner is processed using advanced CNC cutting technology, guaranteeing OE standard. This ensures a precise and secure fit. 3Sturdy Construction: The heavy duty chain tensioner is made from premium metal materials, ensuring maximum structural integrity. It is manufactured using advanced techniques such as die casting for enhanced durability. 4Upgraded Tension Spring: Equipped with an upgraded torsion spring, this tensioner provides automatic tension adjustment to accommodate chain elongation. This ensures smooth rotation of the tensioner, resulting in a longer lifespan. 5Easy Installation and Chain Protection: The tensioner is easy to install and helps protect the swing arm while providing proper chain guidance. This ensures optimal performance and extends the life of your chain. Specification Item Type:ChainTensionerMaterial: MetalApplication: For replacement of OEM tensionersOEM: 0452954, 0451686Tensioner Function: Automatically adjusts tension toward chain extensionApplicable Models:Replacement for Polaris Rzr 170 2009 - 2013Replacement for Polaris Predator 90 2004 - 2006Replacement for Polaris Sportsman 90 2004 - 2014Replacement for Polaris Sportsman 110 2016 - 2018Replacement for Polaris Outlaw 90 2007 - 2014Replacement for Polaris Outlaw 110 2016 - 2018 Package List 1 xChainTensioner1 x Spring Hook Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.