52mm Wideband Air-Fuel Gauge with Warning and Peak

52mm (2 1/16")
Amber/White display-Blacked out when off.
0-5 volt

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, Instructions, Wiring harness (Gauge to O2 sensor; 10 feet long, Plug and play), Decals, Visor/hood, Mounting Cup