Air Fuel Ratio Gauges & Kits: Narrow & Wideband

Optimize engine tuning and protect your performance with AutoMeter Air Fuel Ratio Gauges and Kits, available in wideband and narrowband configurations. Wideband gauges provide accurate, real-time air fuel readings across a broad range from 6:1 to 20:1, ideal for precise engine tuning, racing, or dyno applications. Narrowband gauges offer quick-reference monitoring and immediate visual indication if your vehicle is running lean or rich, perfect for everyday driving and street performance. Both gauge types feature responsive displays, clear visibility, and compatibility with popular AutoMeter styles to seamlessly match your vehicle’s interior. Whether fine-tuning your race setup or ensuring daily-driven reliability, AutoMeter Air Fuel Ratio Gauges deliver trusted accuracy and performance insight when it matters most.