Fitment: Fit for KTM 350 450 500 SXF XCF EXCF XCW EXC 2012-2016. Please check your old fuel Injector before purchase|Part Number: 77741023044. Please check your part number before purchase|Quality Material: Made of high-strength metal and plastic material, high temperature and impact resistant, with excellent performance, which ensures that it can still work stably under harsh working conditions|Function: Effectively improving equipment power output. Smaller fuel atomized particles improve engine fuel economy, optimizes engine performance, stops vehicle vibration and accelerates more smoothly.|Easy to Install: Plug and play design, with a simple and intuitive installation process that requires no professional tools