Stack 52mm Lambda Wide-band Air-Fuel Sensor/GaugeThis is the ultimate tuning aid! Dual digital and radial LED displays provide accurate real time readout of either air fuel ratio or lambda (user selectable). A 0 4Volt analogue output can be connected to a data logger or to an ECU to provide real time closed loop feedback for improved mapping. Supplied complete with wiring harness and includes Bosch sensor. User selectable Air Fuel or Lambda real time display Programmable Alarm warns of dangerous
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