Wideband Air Fuel Ratio Gauge 52mm With LSU 4.9 Sensor AFR Lambda Controller Kit 24 Color LED Display Four Digit Readout Reversible Faceplate Switchable Air Fuel Lambda Oxygen Modes For Tuner Ready Performance

Precise wideband AFR gauge with LSU 4.9 sensor 52mm
✔️ Includes 1 UEGO gauge, LSU 4.9 sensor, wiring, and hardware

This 52mm wideband air-fuel ratio gauge kit delivers real-time AFR, Lambda, and O2% feedback for precise engine tuning. It’s a handy tool for performance cars and race vehicles, typically mounted in the dash for quick reference during tuning sessions.

✅ 52mm (2-1/16") mounting diameter for standard gauge pods
✅ 0-5V analog output plus RS-232 data logging
✅ 20 ms typical response time with LSU4.9 UEGO sensor
✅ AFR range 8.0:1 to 20.0:1 and Lambda 0.55-2.00
✅ Configurable 3- or 4-digit display modes
✅ Display modes for AFR, Lambda, or O2%
✅ Free Air or resistor Trim Calibration (RCAL) modes
✅ Auto dimming and 12V power compatibility up to 16V
✅ Kit includes gauge, UEGO sensor, wiring harness, and connectors

💡 What is a wideband air-fuel ratio gauge used for in engine tuning? This handy device helps dial in fuel for power and efficiency. - Real-time AFR and Lambda readings aid precise tuning - Multiple display modes simplify quick interpretation (AFR, Lambda, O2%) - Rapid 20 ms response from LSU4.9 sensor supports timely adjustments - 12V system compatibility and data logging options