Speedhut 2-1/16" AEM 8.5-18 Air/Fuel Gauge w/ Warning (R2-WB3-REV)
The Speedhut 2-1/16" AEM 8.5-18 Air/Fuel Gauge w/ Warning (R2-WB3-REV) provides precise monitoring of your engine's air-to-fuel mixture. Designed for seamless integration with AEM inline wideband controllers, this analog-style gauge offers a clear and immediate display of critical AFR values, ranging from 8.5 to 18. Equipped with a programmable warning light, it enhances engine safety by alerting you to potentially damaging lean or rich conditions. This gauge is built with quality components and includes the necessary wiring harnesses for installation.
KEY FEATURES AND BENEFITS:
Accurate Air/Fuel Monitoring: Provides precise readings of your engine's air-fuel ratio, ranging from 8.5 to 18 AFR.
AEM Inline Compatibility: Specifically engineered to work with AEM inline wideband controllers, ensuring reliable data.
Integrated Warning Light: Features a programmable warning light to alert the driver to lean or rich AFR conditions, helping prevent engine damage.
Standard Size: The 2-1/16 inch (52mm) diameter fits most standard aftermarket gauge pods for easy mounting.
Complete Wiring Included: Ships with an 8 ft tachometer harness (for LED-lit gauges), an AF/WB throttle position harness (Air/Fuel Wideband signal harness), and a 3 ft power & lighting harness for straightforward installation.
Gauge Type: Air/Fuel Wideband Gauge
Controller Compatibility: AEM Inline
Range: 8.5 – 18 AFR
Size: 2 1/16 inch (52mm)
Hole Size: 2.062 inches (52mm)
Warning Light: Yes
Input Voltage: 0.5 volts (for 8.5 AFR) to 4.5 volts (for 18 AFR)
8 ft Tachometer Harness – for LED Lit Gauges (1 Wire 2 Pin Connector)
AF/WB Throttle Position Harness (LED Lite Gauges)
3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
Connect the Power and Lighting Harness: Attach the 3 ft power and lighting harness to the gauge, ensuring proper connections for power and illumination.
Connect the Signal Harness: Connect the AF/WB Throttle Position Harness (Air/Fuel Wideband signal harness) to the analog output signal of your AEM inline wideband controller. Ensure the wiring matches the AEM controller's output specifications (0.5V for 8.5 AFR, 4.5V for 18 AFR).
Connect the Tachometer Harness (if applicable): The 8 ft tachometer harness is for LED lighting. Connect this as needed for the gauge's illumination.
Mount the Gauge: Install the 2-1/16 inch gauge into your desired gauge pod or mounting location, ensuring a secure fit using the appropriate hardware.
Program the Warning Light (if desired): Follow the gauge's instructions to set the desired lean and rich warning thresholds.
Verify Operation: Once all connections are made, start your vehicle and observe the gauge readings to ensure accurate air/fuel ratio display. Check that the warning light functions as programmed.
BENEFITS OF USING THE SPEEDHUT 2-1/16" AEM 8.5-18 AIR/FUEL GAUGE W/ WARNING (R2-WB3-REV):
Allows for precise real-time monitoring of your engine's combustion process.
Helps optimize engine performance and fuel efficiency.
Prevents engine damage by alerting to lean or rich conditions via a visual warning light.
Direct compatibility with AEM inline controllers ensures reliable AFR data.
Installation is simplified with included wiring harnesses and standard gauge sizing.
Analog-style dial display for easy air/fuel ratio monitoring.
Engineered specifically for use with AEM inline wideband controllers.
Customizable warning light to indicate AFR deviations outside of optimal ranges.
Standard 2-1/16 inch (52mm) diameter fits common gauge pods.
Includes wiring for power, signal input, and LED illumination.
Product identification
- Brand: Speedhut
- Model / MPN: R2-WB3-REV
