AEM Inline UEGO Wideband Controller 8.5:1-18:1 AFR Electric 0-5V Output - Kit MAC-4P Threaded inserts provide mounting points

Threaded inserts provide mounting points for a hood pin bar

Wrap Around

Advanced multi-density

360 Degree Arm Design

Low profile design clears most air cleaner assemblies

AEM Inline UEGO Wideband Controller 8.5:1-18:1 AFR Electric 0-5V Output - Kit MAC-4P Threaded inserts provide mounting pointsFACTORY CALIBRATION RESISTOR OR FREE AIR CAL, IT'S YOUR CHOICE! The X Series Wideband Gauge and X Series Inline Controller support the popular 4. 9LSU sensor and can utilize both the factory calibration resistor and free air calibration methods**. This allows users to take advantage of the precise factory resistor calibration when a sensor is new but then allows for free air calibrations if the user desires when the sensor ages. It's the perfect