Description
The Speedhut 2-5/8″ PLX 10-18 Air/Fuel Wide Band Gauge (L25-WB8-LEG) offers precise monitoring of your engine’s air-to-fuel mixture within the 10:1 to 18:1 range. Specifically designed for seamless integration with PLX Devices wideband controllers, this analog gauge provides real-time feedback essential for performance tuning and engine health. The gauge’s 2 5/8 inch size ensures it fits standard gauge openings, and the included wiring harnesses simplify the installation process for LED-illuminated displays. While this model does not feature a warning light, its clear analog display allows for easy and constant observation of critical air/fuel ratios.
KEY FEATURES AND BENEFITS:
- Accurate AFR Monitoring: Displays air/fuel ratios between 10:1 and 18:1 for effective tuning.
- PLX Controller Integration: Designed for seamless compatibility with PLX Devices wideband controllers.
- Standard Gauge Size: 2 5/8 inch diameter fits most dashboards and gauge pods.
- Simple Installation: Includes power and tachometer harnesses for easy wiring.
- LED Illumination: Supports LED lighting for visibility in low-light conditions.
- Clear Analog Display: Provides straightforward, real-time AFR readings without a warning light.
SPECIFICATIONS:
- Gauge Type: Air/Fuel Gauge
- Gauge Subtype: Air/Fuel Wideband Gauge
- Controller Compatibility: PLX Devices
- Range: 10-18 AFR
- Size: 2 5/8 inch
- Hole Size: 2.67 inches (68mm)
- Input: 0 volts to 4 volts
- Warning Light: No
- Ships With:
- 8 ft Tachometer Harness – for LED Lit Gauges (1 Wire 2 Pin Connector)
- 3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
HOW TO USE:
- Mount the Gauge: Locate a suitable 2.67 inch (68mm) diameter opening in your vehicle’s dashboard or gauge pod and secure the gauge in place using the provided hardware.
- Connect the Power Harness: Attach the 3 ft Power & Lighting Harness to a reliable power source and ground connection in the vehicle to power the gauge and its LED illumination.
- Connect the Tachometer Harness: If applicable, connect the 8 ft Tachometer Harness using the 1 Wire 2 Pin Connector to support specific lighting functions.
- Connect to the PLX Controller: Ensure the PLX wideband controller is installed and connected to the wideband O2 sensor. Link its 0-4 volt signal output to the gauge input as per wiring instructions.
- Verify Readings: Start the engine and confirm that the gauge displays accurate AFR data from the PLX controller.
BENEFITS OF USING THE SPEEDHUT 2-5/8″ PLX 10-18 AIR/FUEL WIDE BAND GAUGE (L25-WB8-LEG):
- Real-Time Data: Delivers immediate feedback on your engine’s air/fuel mixture for precise tuning.
- Improved Performance: Helps achieve optimal combustion efficiency and power output.
- Fuel Economy Optimization: Enables adjustments that can lead to better fuel consumption.
- Preventative Insight: Reduces risk of engine damage due to lean or rich conditions.
- Reliable Integration: Directly interfaces with PLX Devices for consistent and accurate readings.
- Hassle-Free Setup: Pre-included harnesses and standard sizing make installation quick and simple.
FEATURES:
- Displays air/fuel ratios ranging from 10:1 to 18:1 using a clear analog interface.
- Designed for direct compatibility with PLX Devices wideband controllers.
- 2 5/8 inch gauge fits common dash and pod configurations.
- Requires a 2.67 inch (68mm) mounting hole.
- Accepts 0-4 volt signal input from PLX controller.
- Includes dedicated 8 ft Tachometer Harness for LED-lit functionality.
- Ships with 3 ft Power & Lighting Harness for complete setup support.
- Simple wiring and mounting allow for fast and effective installation.





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