The MicroTech LSU 4.9 Wideband kit is recommended for anyone installing an ECU as it allows your tuner to monitor your engines all-important Air/Fuel Ratio.
This kit uses the latest version Bosch 5 wire LSU 4.9 oxygen sensor matched with a genuine Bosch self-calibrating processor for accurate and repeatable Air/Fuel ratio measurement, which can be displayed in either Air/Fuel Ratio or Lambda.
The LSU 4.9 wideband kit features 3 different outputs making it compatible with several different MicroTech Products, such as -