Welcome to Import blowout Sales. FUEL LAB FUEL PRESSURE REGULATOR -6AN FPR 51502-1 BLACK. FUELAB FUEL PRESSURE REGULATOR -6AN FPR 51502-1 BLACK. PART NUMBER: 51502-1 (BLACK). FUELABT 515 Series Fuel Pressure Regulators are designed with performance and flexibility in mind. They accept port style and non-port style union fittings without interference. Several configurations are available, […]