Its slim depth (less than one inch overall) and ultra slim cup depth of. This creates the perception of a larger overall gauge, but in a common 52mm size for easy mounting.
The X-Series Wideband UEGO AFR Sensor Controller Gauge measures 2 1/16th-inch (52mm) in diameter, and features a modern, visually striking faceplate and new seven-segment center display that is 87% larger than the 30-4110 AEM Wideband Gauge’s center display. AEM’s X-Series Wideband UEGO Air/Fuel Ratio Sensor Controller Gauges are built upon unique, patent-pending X-Digital technology that makes them the fastest responding wideband air/fuel ratio controllers in independent testing against 17 other wideband UEGO air/fuel controllers.