This gauge provides accurate real-time readouts of either the air/fuel ratio or lambda, and feature dual digital and radial LED displays, and an analog output for ECU integration/logging.

With a programmable alarm to warn of dangerous lean conditions and peak recall of leanest value during last run, these gauges are a must-have for any serious driver.

Suitable for all fuel types with AFR from 6:1 to 20:1 and come complete with a wiring harness and a Bosch sensor.