Description This is a genuine NTK LZA-09E1 (previously known as the “L2H2″, and also suitable to replace older “L1H1″ ) is the current wideband sensor of choice for premium ECUs and professional wideband systems. Systems which support this sensor include; Syvecs Engine Management Systems Life Racing Engine Management Systems Motec PLM Motec M400, M600, M800, M880 Motec Lambda To CAN NTK (not standard LTC) Ballenger AFR500 / v2