Instructions for the 30-4100 will still be available in the Instructions tab after this change. Accurate AFR data is critical when tuning an engine. Hazardous materials, flammable liquids, or gases.
30-4110 AEM Classic Digital Wideband AFR Gauge Kit
AEM 30-4110 Digital Wideband UEGO AFR Gauge with Sensor
AEM 30-3441 Replacement Sensor Harness for Digital Wideband Gauge (30-4110)
AEM 30-4110NS Digital Wideband UEGO Gauge w/o Sensor
AEM Digital Wideband UEGO Gauge
