Speedhut R25-WB1-REV 2-5/8" Standalone Air/Fuel Wideband

The Speedhut Air/Fuel Wide Band Gauge delivers real-time, ultra-precise air-to-fuel ratio (AFR) readings to help you dial in perfect combustion, maximize power, and protect your engine. Engineered for serious tuners, it supports both standalone and controller-based setups, with a customizable warning light for lean/rich alerts tailored to your build. Featuring smooth high-torque stepper motor movement, bright LED backlighting, rugged USA-made construction, and easy integration into any dash, it's the essential tool for performance tuning, diagnostics, fuel system troubleshooting, or daily monitoring on boosted, naturally aspirated, carbureted, or EFI engines-hot rods, muscle cars, street machines, classics, trucks, or race builds.

• Precise Real-Time AFR Readings - Wideband accuracy for exact air/fuel ratio monitoring to optimize combustion, power, and efficiency.
• Customizable Warning Light - Set lean or rich alert thresholds; bright warning light activates instantly to protect against dangerous mixtures.
• Versatile Standalone or Controller Setup - User-friendly design integrates seamlessly with any tuning or diagnostic system.
• High-Visibility Design - Bold face with crisp markings, pointer, and efficient LED backlighting for clear readability day or night.
• Lifetime Warranty Durability - Tough, weather-resistant build backed by Speedhut's lifetime electronics warranty for total confidence.