AEM X Series Digital Air/Fuel Wideband Gauge kit

Taken off from a Lancer Evolution X.
The air/fuel gauge kit fits many vehicle makes and models.
52mm gauge diameter and slim 0.825 gauge depth.
This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.