GlowShift’s White 7 Color Series Digital Wideband Air/Fuel Ratio Gauge Kit is essential when tuning any performance vehicle. Installing this gauge allows you to closely monitor and tune your vehicle's air to fuel ratio giving you multiple benefits like reduced emissions, higher fuel economy, and maximized power and engine performance. You’ll have the ability to carefully map out your vehicle's air to fuel ratios throughout the range of RPM and manifold pressure, resulting in maximized power output. You’ll also experience a cutting-edge look and innovative design that features an easy to read, ultra-bright blue LED digital numeric readout on a white gauge face with magnified clear lens which displays your vehicle’s air to fuel ratio from 10.0 to 20.0 AFR. The 3 Color LED Ring also featured on the gauge face indicates Lean, Rich, and Optimal Air/Fuel Mixtures. And while this gauge is intended to match GlowShift’s White 7 Color Gauge Series, it does not change colors due to the digital display. Wideband air to fuel ratio gauges offer multiple benefits for high performance race cars which include maximized horsepower and added fuel economy. The 0 to 5 volt digital output allows you to connect the gauge to virtually any data logging or engine management system to log real time data for more precise tuning. GlowShift’s White 7 Color Series Digital Wideband Air/Fuel Ratio Gauge Kit will add a unique look and style to the interior of your vehicle while also monitoring your exhaust system to ensure peak performance.