To get a precise reading of your air to fuel ratio, you need Autometer Phantom II Wideband Universal Air Fuel Ratio Monitor. It carries a black display gauge bezel with a full display range, has an analog display gauge in a white display face, and LED dial lighting with an orange pointer. Don't second guess, choose only Autometer.
About the brand:
When it comes to gauges, Autometer definitely is top-of-the-line. It offers an extensive range of accurate and stylish designs to choose from.