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Prosport Digital AFR Gauge


3 Hours

Pricing: $259.99


52mm Wide Band Air Fuel Ratio Gauge

Utilizing the latest Bosch wideband 5 wire heated O2 sensor, this Prosport gauge has the widest range 10.0:1 to 20.0:1 AFR readings on the planet. An Amber LCD readout in the center of the gauge and a bar-graph syle LED's around the outside of the gauge that changes from green (Rich) to Yellow (Optimal) to Red (Lean) for immediate reference to AFR.


Warranty Details

This product features a 5 year warranty Read Full Warranty

Tech Department




Diameter 52mm
Color Amber & Super White
Bulb Type LED
Dial Sweep 270º
Temperature Range 110º-300º
02 Sensor Bosch 4.9 5 Wire Heated
Weld in bung Yes
Voltage 0-5 Volts


Prosport Gauges

Opening Ceremony

In The Box

In The Box

(1) Prosport Digital Air Fuel Ratio Gauge
(1) Bosch wideband 02 sensor
(1) Wiring harness
(1) Mounting cup
(1) Gauge hood
(1) Instructions
(1) Sticker

Shipping Information

  • Item Requires Shipping
  • 2.0 lbs.
  • W3.0000” x H6.0000” x L9.0000”