AEM X-Series Gauge (Wideband UEGO Air/Fuel AFR Gauge) 30-0300

WIDEBAND UEGO AIR/FUEL CONTROLLERS AEM PN: 30-0300Patented X-Digital Technology - The fastest responding wideband in independent testing 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. Specs & Features X-Series Wideband UEGO AFR Controller Gauge were fastest responding wideband air/fuel ratio controllers in an independent test vs. 17 competitors wideband AFR controllers Patented X-Digital wideband technology (Patent 9,575,030) AEM codeveloped the new sensor with global automotive supplier FAE, culminating in a new sensor design that has a faster response time than the Bosch 4.9 LSU and is less prone to failure in high performance vehicles Factory calibrated resistor does not require free-air calibration, but technology allows for free-air calibration as sensor ages if user desires Compatible wi