Take your vehicle’s performance to the next level with the AEM Wideband Gauge 30-4110 X-Series AFR O2 UEGO Air Fuel Ratio Gauge Kit. Designed for racing enthusiasts and tuning experts, this kit delivers precise air/fuel ratio monitoring for ultimate engine optimization and safety. With its high-accuracy Bosch LSU 4.9 sensor and vivid digital LED display, you can fine-tune your engine for power, efficiency, and longevity.
Why Choose This AEM Wideband Gauge Kit
Advanced Display Technology – Digital LED display plus LED needle with color changes for instant, clear readings.
Wide Measurement Range – AFR display for gasoline, E85, ethanol, and methanol fuels with precise numeric outputs.
Plug-and-Play Installation – Comes with wiring harness, mounting hardware, sensor, and weld-in bung for hassle-free setup.
Customizable Appearance – Interchangeable black & white faceplates and bezels for style and functionality.
Durable and Reliable – German ORACAL high-quality materials with high-temp resistance ensure longevity even under extreme conditions.
Key Specifications
Gauge Size: 2 1/16" (52mm)
Model Number: 30-4110
Sensor: Bosch LSU 4.9 (0258017025 / 17025)
Display Range:
Gasoline: 8.0:1 to 20.0:1 AFR
E85: 6.6:1 to 13.2:1 AFR
Ethanol: 6.14:1 to 12.3:1 AFR
Methanol: 4.4:1 to 8.8:1 AFR
Lambda: 0.68 to 1.36
Interchangeable Faceplates: Black & White
Bezels: Black & Silver included
Condition: 100% Brand New
Why Every Racer Needs This Gauge
AEM’s 30-4110 Wideband AFR Gauge is more than just a performance tool—it’s your engine’s feedback system. Knowing your air/fuel ratio in real-time helps prevent engine damage, optimize fuel efficiency, and deliver maximum horsepower. Whether you race on the track, tune on the street, or perfect your engine setup, this gauge kit delivers unparalleled precision.
