SARD A/F Device Option Part - 5-Wire Wideband O2 Sensor

This is a replacement 5-wire, wideband O2 Sensor for use in tuning with the A/F Device and Analyzer by SARD.O2 Sensor is pictured on top right.This is a highly delicate piece of equipment and is used for accurate fine tuning on the dyno, or while driving.5 wire O2 sensors greatly differ from standard 1 or 2 wire O2 sensors in that power is regulated through the sensor and all interference is eliminated, for the most accurate O2 reading.