The Classic Air/Fuel Wideband Gauge gives you a clean, reliable way to monitor fuel mixture using a Dynojet Commander 2. Built for a 10–18 AFR range with a 0–5V input, it keeps your air/fuel data easy to read without adding unnecessary clutter. A precision stepper motor delivers smooth, stable pointer movement, while the slim case, spin-lock mounting ring, solid aluminum bezel, and weather-resistant construction make it ready for street, track, and performance builds. Made in the USA and backed for life.