Aeromotive Inc. is a true high performance aftermarket manufacturer specializing in fuel delivery and fuel delivery components. Utilizing aerospace tolerances and procedures, three generations of track experience, and a meticulous approach to engineering, Aeromotive Fuel Systems has become the absolute pinnacle of performance fuel delivery. Carbureted Fuel Pressure Regulator Service Kit. For Regulator numbers 13204, 13207, 13254. Fuel pressure regulator service kit for 13204, 13207, 13254.