Prosport’s Performance Series Wideband Air/Fuel Ratio Gauge provides data on exactly how rich or lean an engine is running at any load. This Gauge is essential when tuning any performance vehicle on or off the Dynometer. Allowing you to closely tune and monitor your vehicles air to fuel ratio. This results reduced emissions, higher fuel economy, and maximized power.
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.
Prosport’s wideband air/fuel gauge also comes standard with a 0 to 5 volt digital output that allows you to connect it to virtually any data logging or engine management system
Featuring an easy to read Amber digital LCD readout in the center of the gauge and a bar-graph style LED’s around the outside of the gauge that change from green(Rich) to Yellow(Optimal) to Red(Lean) for immediate reference to Air Fuel Ratio.
Blacked out when off.
This is a complete kit that includes everything you need:
Wideband Air Fuel Ratio Gauge (52mm (2 1/16″)
Bosch 4.9, 5 wire heated O2 sensor
Weld in sensor Bung
Installation and mounting hardware
Wiring harness (Gauge to O2 sensor) Plug and play
0-5 volt data signal for data logging
One year limited warrantee
NOTE: The included Bosch 4.9 LSU Wideband o2 Sensor includes Bosch’s 30 day manufacturer’s warranty.