AMS Mitsubishi Lancer Evolution X/Ralliart Fuel Pressure Regulator Kit

AMS Mitsubishi Lancer Evolution X/Ralliart Fuel Pressure Regulator Kit


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The AMS EVO X / Ralliart 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
Kit Includes
  • 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.
  • Mounting plate
  • All necessary hardware
  • Detailed installation instructions available online
  • -6 AN fittings
  • 0-100 psi fuel gauge
  • 2008 + Mitsubishi Lancer Evolution 10 (CZ4A)
  • 2009+ Lancer Ralliart
Installation Instructions