2-1/16" Wideband Digital Air Fuel Ratio + BOOST White OLED Display

Installation instructions Complete Wideband Air Fuel Ratio kit White OLED Display 52mm (2 1/16") 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. Featuring white OLED readout in the center of the gauge for AFR and a bar-graph style LED's around the outside of the gauge to display Boost. ^Note: The numbers do not light up by LED. Range: -30 vac. ~ 45 PSI Boost This is a complete kit that includes everything you need: AFR digital Gauge Optionally dim 20% with headlights on (switch wire) Bosch 4.9 5 wire heated O2 sensor Waterproof Boost Sensor Silicone Tubing  Weld in Bung Instructions Wiring harness(Gauge to O2 sensor) 10 feet long Plug and play Decals Visor/hood 0-5 volt output signal for data logging