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2010-2011 Polaris Sportsman 850 EFI XP
ProX leads the industry in cast and forged pistons made specifically to replace OEM parts
2013-2014 Beta 520 RS
the fact remains that above all else
Ngk 23159 NGK Direct Fit Oxygen Sensors windshield-mounting-hardware 2010-2011 Polaris Sportsman 850 EFINTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic
