The O2 sensor kit with gauge is fully wired and will connect directly into your Weberpower ECU kit. http://www.weberpower.com/electrical-ecu-ignition-kit.html This will allow the ECU to operate in the closed-loop mode, and write its own map files and / or monitor the AFR in both the closed loop & open loop modes. The closed loop capability allows you to tune the AFR and map file settings and possibly increase the performance. It can also be used as a stand-alone unit to monitor AFR by re-wiring the connector and signal inputs. We also offer the replacement O2 Sensor. The illustrated kit has part number EMS4-O2G and costs $210.00 and a replacement sensor EMS-4-02R costs $84.00. Available from Weberpower.com.
