Wear-resistant internal valve core ensures flexible opening and closing, not easy to get stuck. 4pc&6pcs For For Probe GL 2.2L 4 Cyl 1990 1991 1992 Fuel Injector Nozzle 195500-1970 1955001970 ; The accuracy and stability of the fuel injector have an important impact on the combustion efficiency and emission performance of the engine； Automobile fuel injectors need to be kept clean frequently to prevent clogging and uneven fuel injection； High flow design makes power output more smooth and improves driving experience., Manufacturer: QDouiMOO