AMS Mitsubishi Lancer Evolution X Fuel Pressure Regulator Kit for a 2008-2015 Mitsubishi Lancer EVO X (GSR & MR models) . Detailed Manufacturer specs can be seen below.
From the manufacturer:
The AMS EVO X Fuel Pressure Regulator Kit is designed for anyone running an upgraded fuel pump and or fuel injectors. Whether you are running too rich and need to back off the fuel pressure or if you are running too lean on your current injectors and need to raise base fuel pressure, this is the system for you! A vibration resistant, liquid filled fuel pressure gauge is included allowing you to monitor your fuel pressure. Requires no cutting or modifications to your vehicle for easy installation and/or removal.
-Raise, lower or monitor your fuel pressure
-No cutting or modifications needed for easy installation and/or removal
-Fuel Lab 1:1 Black fuel pressure regulator
-Liquid-filled fuel pressure gauge
-Return line to mate up to the factory steel line
-Line and fittings to bolt up to any stock or stock replacement fuel rail.
-All necessary hardware
-Detailed installation instructions available online
-6 AN fittings
0-100 psi fuel gauge
2008 + Mitsubishi Lancer Evolution 10 (CZ4A)