This Prosport product features a Blue 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 AFR. Utilizing the latest Bosch wideband O2 sensor -5 wire heated LSU 4.9, (Prosport is the only one in the USA to use them) this gauge now has the widest range 10.0:1 to 20.0:1 AFR readings on the planet.

For more call (727) 572-9011 or visit www.prosportgauges.com