Stack - Wideband Digital Air/Fuel Gauge

This 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.

Features:
- User-selectable Air/Fuel or Lambda real time display
- Programmable Alarm warns of dangerous lean condition
- Peak Recall of leanest value during last run
- Suitable for all fuel types with AFR from 6:1 to 20:1 (not recommended for leaded fuel)
- 0-4 Volt Data Logger or ECU output