For fast response times, AEM X-Series wideband UEGO air/fuel sensor controller gauges are the way to go! Built on the unique, patent-pending X-Digital technology, they report accurate information quickly— enabling you to tune your engine more efficiently. These gauges have modern, visually striking faceplates with 7-segment center displays that are 87 percent larger. They're ultra-slim and come with black bezels and black dual-faced faceplates for air/fuel and Lambda. The displays are user-configurable and feature auto dimming.

• Bosch 4.9LSU wideband UEGO sensor
• Factory-calibrated resistor does not require free-air calibration—but technology allows for free-air calibration as sensor ages, if user desires
• Compatible with vehicle/system voltages up to 16 V
• 0-5 V and RS232 output for data-logging and feedback control
• AEMnet (CANbus) for data-logging and daisy-chaining multiple controllers up to 16 cylinders
• Can display AFR values in hundredths of a percent
• 52mm gauge diameter and slim 0.825 in. gauge depth
• Gauge cup depth only .200 in. deep
• Locking connectors

• This product is for racing competition only and may not be legal for use in highway or street vehicles in locations where vehicle modifications are prohibited.
• This gauge also includes interchangeable face plates: one black AFR, one white AFR.