[Function] - The FPR Fuel Pressure Regulator is designed to maintain optimum fuel line pressure for high performance/turbocharged engines. [High Performance] - Delivers vehicles with maximum fuel economy, with long life and extremely reliable operation, fuel pressure regulator [Oil Filled] - Universal fuel regulator with oil filled fuel gauge for maximum, consistent readings < p>[Material] - This fuel pressure regulator is made of high quality aluminum, lightweight and durable. [Installation] - The fuel pressure regulator kit is easy to install, can be installed on the suction pipe and return pipe.