Speedhut L25-WB1-LEG 2-5/8" Standalone Air/Fuel Wideband Analog

The Speedhut Standalone Air/Fuel Wideband Gauge delivers real-time, ultra-precise air-to-fuel ratio (AFR) readings straight from the exhaust, empowering tuners to achieve perfect combustion, maximize power, and protect high-performance engines. Designed as a complete standalone unit-no external controller required-it offers simple, direct installation with included Bosch LSU 4.9 sensor compatibility, a bright programmable warning light for lean/rich alerts, smooth high-torque stepper motor movement, crisp LED backlighting, and rugged USA-made construction. Ideal for EFI, carbureted, boosted, naturally aspirated, street, strip, or dyno setups in muscle cars, hot rods, classics, trucks, race cars, or any build where precise fuel mixture control is critical.

• Standalone Wideband Accuracy - Real-time AFR readings with no external controller needed for fast, reliable tuning and diagnostics.
• Programmable Warning Light - Customize lean or rich alert thresholds; bright warning activates instantly to prevent engine damage from unsafe mixtures.
• User-Friendly Integration - Simple wiring and included Bosch LSU 4.9 sensor compatibility for easy setup in any diagnostic or dash configuration.
• High-Visibility Design - Bold face with sharp 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 long-term confidence.