Megan Racing MR-FPRP Universal Fuel Pressure Regulators Polished Professional installation is highly recommended. Package comes with fuel line and vacuum line as well as adapters for most 2-Bolt applications. (May not fit your specific vehicle; however a machine shop can fabricate an adapter for your application.)- Universal Fitment with most Return-Type fuel systems.- Holds user-defined fuel pressure. (NOT A RISING-RATE REGULATOR)