Power Commander 6 for 2016-2020 Yamaha WR450F Polaris Sportsman 850 More holding power is needed

More holding power is needed with traversing rough terrain

Keeps Out Debris

thermostat cover/gasket kit is a preventative maintenance item designed to fix those warping plastic covers that come straight from the factory

Frame constructed of powder coated carbon steel

Go with a 15% gear reduction

Power Commander 6 for 2016-2020 Yamaha WR450F Polaris Sportsman 850 More holding power is neededThe Power Commander 6 fuel injection tuning device allows you to optimize your fuel and timing curve (where applicable) giving you the confidence to roam freely. With fine tune adjustability and multiple inputs the Power Commander 6 will keep your vehicle running at its full potential letting you concentrate on the journey ahead. Featuring a plug and play setup Power Commander 6 can be installed discreetly underneath your seat cowl dash or other