Prosport Wideband Air/Fuel Ratio Gauge – Premium EVO Series (52mm)

Dial in your tune with precision. The Prosport Premium EVO Series Wideband AFR Gauge gives you real-time air/fuel ratio readings using the latest Bosch LSU 4.9 5-wire O2 sensor, offering a wide range of 10.0:1 to 20.0:1 AFR. Whether you're tuning on the street, strip, or dyno, this gauge gives you the accuracy you need to avoid running lean or overly rich.

With a large central digital readout and LED bar-graph display, you get instant visual feedback. Plus, the built-in 0–5V output lets you log data into your ECU or standalone system.

Features:

• Reads 10.0:1 to 20.0:1 AFR
• Uses Bosch LSU 4.9 wideband O2 sensor (5-wire heated)
• Large digital display + LED bar graph for quick visual reference
• 4 backlight color options in one gauge: Red, Blue, Green, White
• 7-stage dimmer for day/night driving
• 0–5V analog output for data logging
• Blacked-out face when off
• 52mm (2 1/16") diameter – fits standard gauge pods

Complete Kit Includes:

• AFR digital gauge (multi-color)
• Bosch 4.9 LSU wideband O2 sensor
• UEGO controller box
• Weld-in sensor bung
• 10-foot plug-and-play wiring harness
• 0–5V output signal wire
• Installation instructions

Whether you're daily driving, racing, or tuning, this gauge helps you protect your engine and perfect your air/fuel mix.