For Subaru Car Engine 4 piece Fuel Injector nozzles 16611AA720 The design of automobile fuel injectors can accurately control the amount of fuel injection helping you save fuel costs detect leakage, blocking, atomization, injection angle and the uniformity High efficient fuel sprays and High Impedance Coils enable fast start-up in cold environments, low fuel consumption, and better performance OPTIMAL PERFORMANCE All applications provide precision flow rates and original spray patterns for optimal performance in all driving conditions, Manufacturer: Mbxpxe