About this item Advantage Compatible with Polaris Ranger 700 2006-2009 / 800 2010 / Crew 700 2008-2009 / Crew 800 2010 / XP 700 2005-2009 / XP 800 2010 | Compatible with Polaris RZR 4 800 2010 / RZR 800 2008-2010 | Compatible with Polaris Sportsman 700 2005-2007 / 800 2005-2014 / X2 700 2008 / X2 800 2007-2009 (Please check the year/make/model drop-down bar and OE part number to confirm compatibility before purchase.) Injector features : Fuel injector package with Fuel Injector 2, 4 hole, Wiring harness 2, made of metal and plastic, O-ring, so that the injector can extend the sealing in extreme conditions, more accurate adjustment, direct installation, easy installation. Injector function : Replacement fuel injectors can promote smooth engine operation and optimal gas efficiency, to meet the operating conditions of the engine and the demand for fuel. Suggestions for regular injector cleaning : Generally speaking, if the car is in good condition and has good fuel quality, it can be cleaned every 40,000-60,000 kilometers. Even if the injectors are slightly clogged, there is no need to be overly nervous because impurities will be ejected when accelerating in high gears. Strict Quality Control : All of our fuel injectors undergo strict quality control, not just before shipment, but throughout the production process. Multiple quality control checks are performed at every step of production, meeting OE standards fuel injector fit, form and function, extending the durability of the injectors and ensuring that every part lasts for years.