52mm (2-1/16") Supreme Series Wideband Air/Fuel Ratio Gauge Kit designed for high-performance tuning. It is a complete kit that utilizes the Bosch LSU 4.9 5-wire heated wideband O2 sensor to provide accurate, real-time AFR monitoring

- Wide Reading Range: Displays from 10.0:1 to 20.0:1 AFR.
- Dual Color Display: Features Amber & White LED backlight options.
- Visual Interface: 270° full sweep needle, plus digital readout in the center.
- Appearance: Polished aluminum bezel with a black face and a smoked lens that is "clear when off".
- Data Logging: Includes a 0-5 volt output signal for external data logging, as well as a 0-1 volt output for the factory ECU.
- Warning & Peak: Adjustable warning feature with sound/mute and peak value recall.
- Startup Ceremony: Features an opening and closing ceremony upon powering on/off.

INCLUDES:

- 1 x Supreme Series AFR Gauge
- 1 x Bosch LSU 4.9 Wideband O2 Sensor
- 1 x UEGO Control Box
- 1 x Weld-in Bung
- 1 x 10ft Wiring Harness (plug-and-play gauge-to-sensor)
- Mounting base, visor, and instructions