60mm (2 3/8")
Amber/White display-Blacked out when off.
Utilizing the latest Bosch wideband O2 sensor -5 wire heated LSU 4.9 our gauge now has the widest range 10.0:1 to 20.0:1 AFR readings on the planet.
This is a complete kit that includes everything you need:
AFR Premium Series Gauge
Bosch 4.9 5 wire heated O2 sensor
Weld in Bung
Wiring harness(Gauge to O2 sensor) 10 feet long
Plug and play