Instructions for the 30-4100 will still be available in the Instructions tab after this change. AEM Digital Wideband UEGO Gauge.
AEM 30-4110 Digital Wideband UEGO Gauge with Bosch LSU 4.9 sensor
AEM’s legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed, and control with an easy to read, digital LED display and sweeping LED “needle” that changes colors as AFR changes from rich to lean. NOTE: The...