X-Digital Fuel Gauge 2 1/16 Inch

The AEM X-Series Wideband AFR Gauge Kit (PN 30-0300) represents a significant advancement in air/fuel ratio monitoring, boasting the fastest responding wideband controllers in independent testing thanks to its unique, patented X-Digital technology. It is compatible with a wide range of fuel systems, including gasoline (leaded or unleaded), methanol, ethanol, diesel, propane, and CNG, making it suitable for both EFI and carbureted setups. The gauge features a sleek 52mm (2 1/16th-inch) diameter and an exceptionally slim depth of less than one inch, allowing for easier installation in more locations. The modern, visually striking center display is 87% larger than previous AEM wideband gauges, offering clear readability. Users can customize the display to show AFR, Lambda, or O2% readings, and select between three or four-digit readouts. The unit includes a black bezel and a black double-sided faceplate, with other bezel and faceplate options available separately. The auto-dimming feature ensures optimal visibility day or night, and it is compatible with supply voltages up to 16V. For data logging and feedback control, the gauge provides 0-5V and RS232 outputs. Additionally, it features AEMnet (CANbus) for daisy-chaining multiple controllers, supporting up to 16 cylinders. While factory calibrated, a free-air calibration option is available if desired. The kit includes all necessary mounting hardware and comes with a manufacturer's 1-year warranty. This gauge is legal for sale or use on Emissions Controlled, Uncontrolled, and Racing Use Only vehicles as it does not affect emissions.