AEM Digital Wideband UEGO AFR Gauge with 4.9 LSU Sensor

AEM Digital Wideband UEGO AFR Gauge with 4.9 LSU Sensor Accurate. Fast. Reliable. The AEM Digital Wideband UEGO AFR Gauge combines an AFR controller and display in one compact unit, delivering rapid, precise air/fuel ratio readings for tuning and monitoring. High-precision 4.9 LSU sensor — laboratory-calibrated for consistent readings without free-air calibration Dual display — numeric LED AFR plus sweeping color-changing LED “needle” for immediate visual feedback from rich to lean Fast response — ideal for dyno tuning, race engines and real-world driving Simple integration — outputs for datalogging, engine management systems and boost-referenced tuning Why choose a wideband UEGO controller? Accurate AFR monitoring is essential to maximize power and fuel efficiency while preventing engine damage from overly lean conditions. AEM’s wideband controller gives tuners and enthusiasts the data needed to optimize fueling across the full RPM and load range. No free-air calibration required. AEM’s 4.9 LSU sensors are individually calibrated at the factory, eliminating the need for the inconvenient free-air calibration step required by some competitors. Built for performance applications, the AEM Digital Wideband UEGO Gauge is a professional-grade tuning tool trusted by racers and tuners worldwide.