RaceTech Air Fuel Ratio Meter Digital Gauge
 
An excellent diagnostic tool! By using your vehicle’s original lambda sensor or one which we offer, the unit calculates the ratio of fuel to air in the intake mixture and displays it via a series of LED’s. This allows the mixture to be altered for maximum power or fuel efficiency.
 
RaceTech Lambda Sensors - Single Wire/ 3 Wire ( For accurate cold start reading) are available on a separate listing.