AEM X-Series Air-Fuel Ratio Gauge UEGO Wideband 8.:1-20:1 AFR - Electric R060004YL 450 lph at 45 psi

450 lph at 45 psi

4-1/2 in Long

5/8 in Arbor

1/4-18 in Right Hand Thread

The 12 Series Belt Drive Pump must be driven by a pulley and cog drive belt allowing the pump to be driven from your crankshaft

AEM X-Series Air-Fuel Ratio Gauge UEGO Wideband 8.:1-20:1 AFR - Electric R060004YL 450 lph at 45 psiFACTORY 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