Wideband Air Fuel Ratio Gauge Premium Amber/white clear lens with white pointer 52mm (2 1/16")

Wideband Air Fuel Ratio Gauge 52mm (2 1/16") Amber and White display-CLEAR LENS with white pointer/needle 0-5 volt output signal 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. Premium Series 270° LED Display 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 wiring Decals Visor/hood Mounting Cup 0-5 volt output signal for data logging AND 0-1 volt output signal All Premium Series gauges perform both a start up and shut down ceremony and are blacked out when off.