Bosch Injectors are great if you want to inject more fuel into your car. This series includes Injectors, Adaptors, Plug & Play Pigtails, and Cut & Crimp Plugs Connectors. The Bosch Injectors are a fast and easy way to increase your engine's power by injecting more fuel into the combustion chamber. The injector body is made of stainless steel, so it can resist high temperatures and fit perfectly on the car. Bosch injectors are the benchmark of high-quality, reliable, and economical injectors. These 550cc injectors fit directly to the Bosch EV6 USCAR. Plug & Play pigtail adaptors are required to fit the Bosch 550cc Injectors and Bosch 380cc Injectors to the MINI R53. These also fit the ST225 injectors.