The Genuine Porsche Fuel Injector Spacer - 9A111052001 is a small, cylindrical component designed to fit between the fuel injector and the engine block. It is made of high-quality materials and is specifically designed for use in Porsche vehicles. This spacer helps to regulate the flow of fuel into the engine, ensuring optimal performance and efficiency. It also helps to prevent fuel leakage and maintain proper pressure within the fuel system. This product is an essential part of the fuel injection system and is crucial for the smooth operation of the engine.