Features 1Applicable Models Replacement for Polaris Rzr 170 20092013 Replacement for Polaris Predator 90 20042006 Replacement for Polaris Sportsman 90 20042014 Replacement for Polaris Outlaw 90 20072014, etc. 2OEM Number Replaces manufacturer part number 0452954, 0451686. The chain tensioner is machined using advanced CNC cutting technology, ensuring OE standard. This ensures a precise and secure fit. 3Robust Construction The heavyduty chain tensioner is made of premium metal materials, ensuring maimum structural integrity. It is manufactured using advanced techniques such as diecasting for increased 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 service life. 5Easy Installation and Chain Protection The tensioner is easy to install and helps protect the swingarm while providing proper chain guidance. This ensures optimal performance and etends the life of the chain. Specification Item Type Chain Tensioner Material Metal Usage For replacing OEM tensioner OEM 0452954, 0451686 Tensioner Function Automatically adjusts tension against chain elongation Applicable 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 Sportsman 110 2016 2018 Replacement for Polaris Outlaw 90 2007 2014 Replacement for Polaris Outlaw 110 2016 2018 Package List 1 Chain Tensioner 1 Spring Hook