Description
The Speedhut 2-1/16″ 30inhg-0-30PSI Boost/Vac Gauge w/Warning (R2-BV4-REV) is a precision instrument designed to provide accurate and reliable readings of your vehicle’s intake manifold pressure. This gauge allows you to monitor both vacuum created during engine deceleration and positive pressure generated by turbochargers or superchargers. Featuring a clear and easy-to-read display, this gauge is an essential tool for performance enthusiasts and anyone looking to keep a close eye on their engine’s health and performance. The integrated warning light adds an extra layer of security, allowing you to set a threshold for vacuum or boost levels, alerting you to potentially damaging conditions. Built with quality components and backed by Speedhut’s reputation, this gauge offers both functionality and peace of mind.
KEY FEATURES AND BENEFITS:
- Measurement Range: 30 inHg vacuum to 30 PSI boost for comprehensive engine pressure monitoring.
- Digital Stepper Motor: Ensures smooth and accurate needle movement for reliable readings.
- 3-Wire Military Grade Transducer: Provides high-performance and consistent pressure sensing.
- Programmable Warning Light: Customizable alerts for critical boost or vacuum thresholds.
- Peak Recall Function: Allows users to view the highest boost or vacuum levels recorded.
- Power Compatibility: Works with both 12V and 16V systems, suitable for most vehicles.
- Self-Calibration: Automatic calibration upon power-up for accurate operation.
- Complete Installation Kit: Includes all required wiring and hose components for easy setup.
- Lifetime Warranty: Ensures long-term product reliability and support.
SPECIFICATIONS:
- Gauge Type: Boost/Vacuum Gauge
- Pressure Sender Type: 3-Wire Military Grade Transducer (Performance)
- Range: 30 inHg – 0 – 30 psi
- Size: 2 1/16 inch (52.4mm)
- Hole Size: 2.062 inches (52mm)
- Standard or Metric: Standard
- Warning Light: Yes
- Power Compatibility: 12 and 16 volt compatible
- Included Wiring: Pressure Gauge Wiring Harness (3-Wire Cable), 3 ft Power & Lighting Harness
- Included Hose: Boost/Vac Hose Kit
- Included Sensor: Pressure Sensor – 30 psi
- Motor Type: Digital Stepper Motor
- Features: Peak Recall, Custom Alert/Warning Notification, Self Calibration
HOW TO USE:
- Preparation: Gather tools such as a drill, wire strippers, and possibly a multimeter. Choose a mounting spot on your dashboard or panel.
- Mounting the Gauge: Drill a 2.062″ (52mm) hole if needed. Insert the gauge and secure it using included hardware.
- Connecting the Pressure Sensor: Install the sensor at a vacuum/boost source on the intake manifold. Attach the hose between the sensor and the gauge.
- Wiring the Power and Lighting: Connect the red wire to a switched 12V or 16V power source. Ground the black wire. Connect the lighting wire to the headlight/parking light circuit.
- Connecting the Pressure Gauge Wiring Harness: Plug the 3-wire cable from the sensor into the back of the gauge securely.
- Setting the Warning Threshold (Optional): Follow Speedhut instructions to program high/low boost or vacuum alerts using the gauge interface.
- Verification: Start your vehicle and check for smooth needle operation and activation of the warning light when thresholds are reached.
BENEFITS OF USING THE SPEEDHUT 2-1/16″ 30INHG-0-30PSI BOOST/VAC GAUGE W/WARNING (R2-BV4-REV):
- Real-Time Monitoring: Enables accurate tracking of engine pressure for optimal performance and diagnostics.
- Boost/Vacuum Alerts: Prevents potential engine damage by notifying you of unsafe pressure levels.
- Performance Analysis: Peak recall function lets you evaluate maximum boost/vacuum from a session.
- Precision: Stepper motor and pressure transducer ensure consistent, high-resolution readings.
- Ease of Installation: Comes with complete wiring and hose kit for straightforward setup.
- Durability and Support: Backed by a Lifetime Warranty for lasting confidence.
FEATURES:
- Accurately measures intake manifold pressure from 30 inHg vacuum to 30 PSI boost.
- Digital stepper motor provides smooth and precise needle movement.
- 3-wire military-grade transducer ensures reliable pressure sensing performance.
- Configurable warning light alerts driver to critical vacuum or boost conditions.
- Peak recall allows review of maximum recorded pressure readings.
- Automatic self-calibration ensures consistent accuracy on startup.
- Compatible with 12V and 16V vehicle electrical systems.
- Includes wiring harness for gauge and sensor connectivity.
- Comes with boost/vacuum hose kit for easy engine connection.
- Protected by a Lifetime Warranty for long-term reliability.






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