• Experience Unmatched Accuracy: Autometer's advanced calibration ensures pinpoint precision over your sensor's lifespan, no free - air calibration needed. • Tailored Performance: Compatible with almost all fuel types, with a configurable display to focus on your desired range. • Safety First: Advanced peak recall and lean warning system keep you safe on both track and street. Get the most accurate and user - friendly wideband gauge on the market now! Ideal for anyone seeking high - performance engine optimization and fuel mixture control.

This Autometer Cobalt 52mm Air/Fuel Ratio Pro Plus Digital Gauge is perfect for car enthusiasts and racers who want to optimize their engine's performance. Whether you're on the race track pushing your car to the limit or cruising on the street, this gauge will help you monitor the air/fuel mixture accurately. It's compatible with most fuel types and has a 52mm size, which makes it easy to install in your vehicle. The gauge also comes with a specially designed O2 sensor and wiring harness for a hassle - free setup.