The Wideband O2 air/fuel ratio UEGO gauge is a must if you want to maximize your engine's power and safety. Our World-famous Wideband O2 air/fuel ratio UEGO gauge features a digital LED display and sweeping LED 'needle' that changes colors as AFR changes from rich to lean.
The AEM UEGO Wideband O2 Air Fuel Ratio Gauge AFR 52mm 4.9 LSU w Sensor Kit 30-4110 is an excellent choice for those looking for a high-precision fuel flow and air flow sensor to monitor and improve the air-to-fuel ratio in their engines, particularly in applications requiring advanced engine management.