AEM 30-0310 X-Series Inline Wideband UEGO AFR Sensor Controller

The AEM X-Series Inline Wideband UEGO AFR Sensor Controller delivers industry-leading air/fuel ratio monitoring without requiring an in-cabin gauge. Built around a Bosch sensor with ±0.1 AFR accuracy, this controller gives you the real-time feedback precision that separates a dialed-in tune from a guessing game. The fast response time means your engine management system or datalogging setup gets instantaneous, reliable information—critical when you're chasing every last horsepower.

Installation couldn't be simpler, and the weatherproof enclosure means you can mount it anywhere without worry. The X-Series outputs everything you need: 0-5v analog, RS232 serial, and CANbus connectivity for seamless integration with modern engine management platforms. Whether you're tuning on the dyno or logging street data, this controller eliminates dead time delays and gives you truly synchronized readings of what your engine is actually doing.

This is the wideband solution for serious tuners and racers who prioritize accuracy over flashy gauges. If you're building a custom tune or running a full engine management system, the AEM X-Series Inline Controller is the transparent window into your engine's combustion chamber that Speed Tuned Motorsports customers demand.