Wideband Air/Fuel Sensor Kit Includes: Digital 12-volt Wideband Controller Unit LSU4.9 Wideband Oxygen Sensor 10 ft. Sensor Wire Harness 5 ft. Control Unit to Gauge Wire Harness 5 ft. Power Wire Harness Weld-In Sensor Bung Full instructions and technical support Kit Features: Now you can easily monitor and log air/fuel ratio on your Aeroforce gauge or other data logging device with the AeroForce affordable wideband air/fuel kit. Accurate to 0.1 A/F point; allowing you to accurately monitor your engine tune or PCM calibration. According to Bosch, due to the improved sensing element design the LSU4.9 shows higher lifetime robustness over the LSU4.2 delivering a longer life span and more accurate readings. This sensor draws less power and has some advantages in high flow situations. It can be used in diesel applications as well, the 4.2 is not designed for this. Accurate to 0.1 A/F point Displays A/F ratio or Lambda 0-5v output Displays A/F ratio from 10:1 to 20:1
