Racetech Air Fuel Ratio Meter - Black, Black

The Racetech Air Fuel Ratio Meter is an excellent diagnostic tool that gives you a visual display of the efficiency of your engine. By using your vehicles original lambda sensor or an aftermarket sensor, the meter calculates the ratio of fuel to air in the intake mixture and displays it via a series of LED's.The display can be mounted inside your vehicle so you have a constant indication of your intakes mixture7 red lights for lean mixtures, 5 orange lights for mid range mixture and 7 green lights for rich mixturesThe visual display enables you to safely adjust your mixture for either maximum power or fuel efficiencyCompatible with most fuels, methanol, alcohol, butane, nitrous oxide, hydrogen and two stroke petrol