Seller notes

EVO Series Wideband Air Fuel Ratio Gauge 52mm (2 1/16") This one gauge will display Red or Blue and is dimmable! Includes 0-5 volt output signal for data-logging Utilizing the latest Bosch wideband O2 sensor -5 wire heated LSU 4.9 (Prosport Inc. is the only one in the USA to use them) our gauge now has the widest range 10.0:1 to 20.0:1 AFR readings on the planet. Featuring a Dual color (Red or Blue) readout in the center of the gauge and a bar-graph syle LED's around the outside of the gauge for...

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