Features: *Function High Quality Fuel injectors can effectively prevent fuel exposure, reduce fuel waste, improve fuel utilization, and minimize stickiness during use. There is a bracket in our package. Please be sure to fix the bracket on the injector before installing the injector. It can prevent other problems such as oil leakage. *Material Made of superior material to withstand daily driving and harsh engine conditions for high durability and long service life. *Installation There is no installation book in the package , the professional installation is required. *Warm notice Please double-check the part number and models in the description to guarantee it fits your vehicle before ordering. .