Description
The Speedhut 2-5/8″ 30inhg-0-10 PSI Boost/Vac Gauge (L25-BV1-LEG) is an essential instrument for any vehicle with a turbocharged or supercharged engine. This gauge provides accurate and real-time readings of both intake manifold vacuum and boost pressure, allowing you to monitor your engine’s performance and identify potential issues. Its classic design ensures it integrates seamlessly with a variety of interior styles.
KEY FEATURES AND BENEFITS:
- Wide Measurement Range: 30 inches of mercury (inHg) for vacuum and 0 to 10 pounds per square inch (PSI) for boost.
- Precision Readings: Utilizes a high-quality 3-wire military-grade transducer for dependable measurements.
- LED Illumination: Designed to be LED-lit for enhanced visibility in all lighting conditions.
- Complete Kit: Includes all necessary components for installation.
- Classic Styling: A timeless look that suits a wide range of vehicle interiors.
SPECIFICATIONS:
- Gauge Type: Boost/Vacuum Gauge
- Pressure Sender Type: 3-Wire Military Grade Transducer (Performance)
- Range: 30 inHg – 0 PSI (Vacuum), 0 – 10 PSI (Boost)
- Size: 2 5/8 inch (66.7 mm)
- Mounting Hole Size: 2.68 inches (68 mm)
- Units: Standard (inHg and PSI)
- Included:
- Pressure Gauge Wiring Harness (3-Wire Cable)
- 3 ft Power & Lighting Harness
- Boost/Vac Hose Kit
- Pressure Sensor (30 PSI)
HOW TO USE:
- Mount the Gauge: Locate a suitable 2.68-inch (68 mm) diameter hole in your dashboard or instrument panel and secure the gauge.
- Install the Pressure Sensor: Mount the sensor on the intake manifold away from excessive heat.
- Connect the Vacuum/Boost Hose: Attach the included hose between the intake manifold and the gauge’s back port. Ensure all connections are tight.
- Connect the Wiring Harnesses: Attach the 3-wire cable to the sensor and then to the back of the gauge.
- Connect the Power and Lighting Harness: Wire to a 12V power and ground source and plug into the back of the gauge.
- Test the Gauge: Start the vehicle and confirm the readings reflect engine conditions accurately.
BENEFITS OF USING THE SPEEDHUT 2-5/8″ 30INHG-0-10 PSI BOOST/VAC GAUGE (L25-BV1-LEG):
- Allows for accurate monitoring of intake manifold vacuum and boost pressure in real-time.
- Helps detect vacuum leaks or overboosting conditions early to avoid engine damage.
- Enables drivers to optimize their driving style for performance and fuel efficiency.
- Provides confidence through highly accurate readings from a military-grade transducer.
- LED illumination ensures readability in all lighting conditions.
FEATURES:
- Simultaneously displays vacuum and boost pressure readings in standard units.
- Incorporates a rugged 3-wire military-grade transducer for accuracy.
- Measures from 30 inHg (vacuum) to 10 PSI (boost).
- Classic 2-5/8 inch diameter fits most aftermarket gauge pods.
- Designed for easy installation using a 2.68-inch mounting hole.
- Equipped with LED backlighting for visibility during day and night.
- Comes with all necessary wiring and tubing for a complete setup.
- Includes a calibrated 30 PSI pressure sensor for precise measurements.






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