Air / Fuel ratio Gauge - Includes a silver bezel and a reversible white face with Air/Fuel Ratio on one side and Lambda on the other. See below for details. Fits to AEM Electronics X Series gauges. Exhaust Gas Temperature (EGT) Gauge - Includes a silver bezel and a white reversible EGT face with 0-1000°C on one side and 0-1800°F on the other.
