Prosport Amber 52mm Digital Air Fuel Ratio Kit (PSAFRLCDWB4.9AMBWO)

Prosport Performance
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Prosport Amber Wideband Gauge

Utilizing the latest Bosch wideband O2 sensor -5 wire heated LSU 4.9(Prosport Inc. is the only one in the USA to use them) our gauge now has the widest range 10.0:1 to 20.0:1 AFR readings on the planet. Featuring Amber LCD readout in the center of the gauge and a bar-graph syle LED's around the outside of the gauge that change from green(Rich) to Yellow(Optimal) to Red(Lean) for immediate reference to AFR.


  • Bosch 4.9 5 wire heated O2 sensor
  • 0-5 volt output signal for data logging
  • 10 foot wiring harness


  • Plug and Play
  • Easy to read display

Please Note:

  • Amber LCD



  • Universal Fitment

What's in the box?

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

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