52mm AFR O2 UEGO Wideband Air Fuel Ratio Gauge Kit 30-4110 LSU 4.9 Probe Sensor
Gauge Display/0-5V Output Gasoline values from 10:1 to 20:1 AFR. 0-5V Output E85 values from 6.6 to 13.2:1 AFR. 0-5V Output Ethanol values from 6.14 to 12.3:1 AFR. 0-5V analog output (10-20 AFR range only).