Speedhut R2-WB2-REV 2-1/16" Standalone Air/Fuel Gauge Lambda

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.

$282.44

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$338.93

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Product Summary

Universal Fit, Analog Gauge Style, Black, Chrome, White

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.

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Key Specs

MFG. Part #	R2-WB2-REV
Brand	Speedhut
Gauge Style	Analog
Gauge Series	Analog

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Speedhut R2-WB2-REV Details

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.

Guides & Documents

Air/Fuel Ratio Gauges Installation Instructions (14001210)

CA Prop 65

Speedhut R2-WB2-REV Specifications

KEY SPECS
MFG. Part #	R2-WB2-REV
Brand	Speedhut
Gauge Style	Analog
Gauge Series	Analog

GENERAL
Depth	1.3"
Sold in Quantity	Each
Gauge Type	Air/Fuel Ratio
Gauge Range	8.5:1-18:1 air/fuel ratio
Shape	Round
Sending Unit	Electrical
Gauge Face Color	Black
Bezel Finish	Chrome
OEM Replacement	No
Sending Unit Included	Yes
Light Color	White
AFR Gauge Type	Wideband
Gauge Sweep	Full Sweep
Includes Wire Harness	Yes
Includes Mounting Bracket(s)	No
GTIN Code	843386131780
Body Diameter	2.05"
Pointer Color	Racer Red
Includes Sensor Unit	No
Lettering Color	White
Fuel Sender Included	No
Bezel Included	Yes
Bracket Included	No
Mounting Hardware Included	Yes
Gauge Diameter	2-1/16"
Gauge Number Color	White
Lighted	Yes
Liquid Filled	No
Memory Storage	Yes
Playback	No

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