AEM Inline UEGO Wideband Controller 8.5:1-18:1 AFR Electric 0-5V Output - Kit MAC-4P Low profile design clears most

Low profile design clears most air cleaner assemblies

ACCEL Performance injectors feature all new low-mass disc design that ensures accurate metering control even at ultra-low and high duty cycles

adjustable from 30-60 PSI

Mileage gains are also achievable with our new optimized and efficient tuning

Advanced multi-density

AEM Inline UEGO Wideband Controller 8.5:1-18:1 AFR Electric 0-5V Output - Kit MAC-4P Low profile design clears mostFACTORY 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