Features: 1.Material:Made of high-quality metal and composite plastic. 2.Replacement Part Number:16611-AA680. 3.Fit for: 2013-2015 Subaru WRX STI 2012-2014 Subaru WRX 2002-2012 Mitsubishi Eclipse 2007-2012 Subaru Legacy 4.Application:The fuel injector transfers the gasoline from the tank into the engine cylinder. Gasoline enters the fuel injectors in the form of liquid and transforms it into the mist to spray it into the cylinder for efficient and quick fuel burning to provide power to the vehicle. 5.Note:Please confirm compatibility based on your vehicle's year, brand, model, and the OE number of the replacement parts. Package Included: Fuel Injectors*4 .