*NEW! Zt-2 + ZR-1 Blue Digits AFR and Lambda Gauge Combo
Includes the ZR-1 Gauge plus Zt-2 Wideband Air/Fuel Ratio Meter, Wideband Oxygen Sensor, Sensor Harness, Signal Harness, PC Serial Cable, Datalogging Software, Installation Instructions, 2 pin EGT connector to retrofit your EGT probe and ZR-1 Gauge with peak and hold feature. High contrast LEDs visible even in a direct sunlight. Made in the USA.