Description
The Speedhut 2-1/16″ 0-10 PSI Boost Gauge (L2-B1-LEG) offers precise monitoring of your engine’s intake manifold pressure. Designed with a classic aesthetic from the Legacy Series, this analog gauge provides real-time feedback on both positive (boost) and negative (vacuum) pressure. Its reliable performance comes from a high-quality 3-wire military-grade transducer, ensuring accurate readings for optimal engine management and diagnostics. The gauge features LED illumination for excellent visibility during night driving and is built with a slim case and spin-lock ring for straightforward installation in a standard 2 1/16″ (52mm) mounting hole.
KEY FEATURES AND BENEFITS:
- Dual Functionality: Monitors both boost pressure (0-10 PSI) and vacuum, providing a comprehensive view of engine intake conditions.
- Accurate Readings: Utilizes a high-performance 3-wire military-grade transducer for precise and dependable pressure measurements.
- Enhanced Visibility: Features LED illumination, ensuring clear readings in all lighting conditions.
- Easy Installation: Designed with a 2 1/16″ (52mm) diameter and includes a spin-lock ring for simple mounting in a standard gauge opening.
- Complete Wiring: Ships with a dedicated power and lighting harness, as well as a wiring harness for the pressure sensor, simplifying the connection process.
- Robust Sensor: Includes a pressure sensor with a 30 PSI rating, offering durability and accuracy within the gauge’s 0-10 PSI range.
SPECIFICATIONS:
- Gauge Type: Boost/Vacuum Gauge
- Range: 0-10 PSI
- Size: 2 1/16 inch (52mm)
- Hole Size: 2.062 inches (52mm)
- Pressure Sender Type: 3-Wire Military Grade Transducer (Performance)
- Standard or Metric: Standard (PSI)
- Warning Light: No
- Included:
- 3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
- Pressure Sensor – 30 psi
- Pressure Gauge Wiring Harness (3-Wire Cable)
HOW TO USE:
- Mount the Gauge: Locate a suitable 2 1/16″ (52mm) diameter hole in your vehicle’s dashboard or gauge pod. Secure the gauge in place using the provided spin-lock ring.
- Install the Pressure Sensor: Choose a suitable location in your engine bay, typically on the intake manifold or a designated boost/vacuum port. Thread the included 30 PSI pressure sensor into this port. Ensure the connection is secure and leak-free.
- Connect the Pressure Sensor Wiring: Attach the 3-wire cable from the included Pressure Gauge Wiring Harness to the terminals on the pressure sensor.
- Route the Wiring: Carefully route the Pressure Gauge Wiring Harness from the engine bay into the vehicle’s interior, where the gauge is mounted. Connect the other end of this harness to the corresponding connector on the back of the boost/vacuum gauge.
- Connect the Power and Lighting Harness: Connect the 3 ft Power & Lighting Harness to the designated power and ground terminals on the back of the gauge. Connect the other end of this harness to a suitable 12V power source in your vehicle (typically an ignition-switched source) and a reliable ground. If desired, connect the illumination wire to your vehicle’s lighting circuit so the gauge lights up with your other instruments.
- Verify Connections: Double-check all wiring connections to ensure they are secure and correct.
- Test the Gauge: Start your vehicle and observe the gauge readings. It should indicate the engine’s vacuum at idle and transition to boost pressure as the turbocharger or supercharger engages.
BENEFITS OF USING THE SPEEDHUT 2-1/16″ 0-10 PSI BOOST GAUGE (L2-B1-LEG):
- Provides accurate real-time monitoring of critical engine intake pressures, allowing for better understanding of engine performance.
- Helps in diagnosing potential issues related to the turbocharger, supercharger, or vacuum system.
- Offers a clear and easily readable display, thanks to the LED illumination, ensuring information is accessible at a glance, day or night.
- The robust 3-wire military-grade transducer contributes to the reliability and longevity of the gauge readings.
- The straightforward installation process, with included wiring harnesses and mounting hardware, saves time and effort.
FEATURES:
- Displays both positive (boost) pressure up to 10 PSI and negative (vacuum) pressure.
- Employs a high-accuracy 3-wire transducer for precise pressure sensing.
- Illuminated with LEDs for excellent nighttime visibility.
- Compact 2 1/16″ (52mm) size fits standard gauge pods and mounting locations.
- Slim gauge case design.
- Utilizes a spin-lock mounting ring for secure and easy installation.






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