Comes with one of our 307064 sensors to monitor fuel or oil pressure and know that your XFI can protect you in case of oil or fuel pressure dips or spikes. Fuel Injection Harness Pre-Built Harness; Comes with one 307064 sensor Pressure Sensor Single Sensor 1500 PSI Harness XFI Single Sensor Kit This adapter kit allows you to run one precision sensors (0 to 1500 PSI) to your XFI ECU or Dash/Datalogger