2-1/16" A/F WB | Complete + O2 Sensor

SKU: R2-WB1-REV
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$338.93 USD
Monitors air/fuel ratio with a built-in wideband controller and included O2 sensor for a complete, self-contained AFR solution. Eliminates external components while providing accurate real-time tuning data. A built-in warning light alerts you when AFR moves outside your target range for added protection. Precision stepper motor ensures smooth, stable readings.
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Order leaves our facility in about 2 Weeks

The Standalone Air/Fuel Gauge keeps you informed on your engine’s air/fuel mixture with a complete, self-contained system built for clean installs and accurate tuning. With a built-in wideband controller and included O2 sensor, it removes the need for external components while delivering precise AFR data in real time. Designed to show how your engine is running during idle, cruising, and acceleration, it helps you dial in performance and catch lean or rich conditions early. A built-in warning light alerts you when AFR moves outside your target range for added protection. A precision stepper motor keeps the needle smooth and steady—no fluctuation, no guesswork. Built with a durable housing and solid aluminum bezel, it’s made for demanding conditions and long-term use. Made in the USA and backed for life.

Track-Tested. USA-Built. Backed for Life.

Key Features:

  • Built-In Wideband Controller — complete AFR system in one gauge
  • Included O2 Sensor — includes the sensor needed for standalone AFR monitoring
  • Warning Light — alerts when AFR moves outside target range
  • Accurate AFR Data — real-time air/fuel monitoring for tuning
  • Simplified Installation — no external controller required
  • Microprocessor-Driven — real-time accuracy
  • Stepper Motor Precision — smooth, accurate pointer
  • Weather-Resistant Build — built for street, track, and off-road
  • Made in the USA — backed by a lifetime warranty
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Built to last. Backed for life.
  • Lifetime warranty on internal circuit board electronics
  • 5-year coverage on sensors and wiring
  • Applies to gauges purchased since Jan. 1, 2006

Every Speedhut gauge includes a lifetime warranty* on the electronic circuit board inside the gauge case. It is the core of the gauge — the part responsible for the precision communication that delivers the accuracy and performance Speedhut is known for.

Sensors, wiring, and other external components are covered by an unlimited 5-year warranty.

This combined lifetime / 5-year warranty applies to the original purchaser.
*For your lifetime — as long as you own the gauge — we stand behind it.
Speedhut Inc warrants products to be free from defects in materials or workmanship. This warranty is limited to repair or replacement. Speedhut Inc is not responsible for incidental or consequential damages. Improper use, installation, or unauthorized modifications void this warranty.
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