AU CRS GRY 2 5/8IN AIR/FUEL RATIO FS

The Classic Instruments AutoCross Gray 2-5/8" Air/Fuel Ratio Gauge (Part No. AX394GBPF) provides precise and reliable air/fuel ratio readings for optimal engine tuning. It features a sleek, contemporary design with a gray dial, crisp white pointer, and vibrant LED backlighting. With a 2-5/8" diameter, it fits perfectly into various dashboards and gauge pods. This gauge requires a 0-5V analog output wideband oxygen sensor (included: Premium BOSCH wideband air/fuel sensor) for operation. It is calibrated for gasoline applications ONLY and offers an integrated red warning light and analog .5 - 4.5VDC output for data logging systems.