Welcome to Import blowout Sales. FUELAB FUEL PRESSURE REGULATOR -6AN FPR 51502-2 RED. PART NUMBER: 51502-2 (RED). 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, supporting carbureted applications as low as 1 PSI to […]