Prosport Premium Halo 52mm Wideband Air/Fuel Gauge ( 216HLAFR270-PKWB4.9-WO)

Prosport Performance
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Prosport Halo 52mm Wideband

Utilizing the latest Bosch wideband O2 sensor -5 wire heated LSU 4.9 our gauge now has the widest range 10.0:1 to 20.0:1 AFR readings on the planet. Enjoy 6 stages of dimming for both day and night operation modes.


  • AFR Halo Series Gauge
  • Bosch 4.9 5 wire heated O2 sensor
  • Wiring harness (Gauge to O2 sensor) 10 feet long
  • Plug and play


  • 0-5 volt output signal for data logging
  • *Touch pad can be mounted anywhere*
  • Plug and play

Please Note:

  • Amber/White/Blue display


  • Universal Fitment

What's in the box?

  • Wideband gauge and O2 Sensor
  • Visor/Hood
  • Mounting Cup
  • Weldable O2 bung

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