Description
The Speedhut 2-5/8″ 30inhg-0-20PSI Boost/Vac Gauge w/Warning (R25-BV3-REV) is a vital instrument for any turbocharged or supercharged vehicle, providing precise and immediate feedback on critical engine pressure levels. This gauge allows you to monitor both intake manifold vacuum and turbocharger/supercharger boost pressure within a range of 30 inches of mercury (inHg) for vacuum and 0 to 20 pounds per square inch (PSI) for boost. Its clear 2 5/8 inch display ensures easy readability, allowing drivers to stay informed about their engine’s performance at a glance. Equipped with a programmable warning light, this gauge offers an added layer of protection and awareness, alerting you when user-defined pressure thresholds are reached.
KEY FEATURES AND BENEFITS:
- Engineered for Accuracy: Uses a high-quality 3-wire military-grade transducer for precise pressure readings.
- Programmable Warning Light: Set your own vacuum or boost thresholds to receive immediate visual alerts.
- Clear and Compact Display: 2 5/8 inch gauge fits most setups while providing easy-to-read information.
- Versatile Fitment: Standard 2.67-inch mounting hole size ensures compatibility with many aftermarket pods.
- Complete Installation Kit: Includes all wiring and hose components needed for hassle-free installation.
SPECIFICATIONS:
- Gauge Type: Boost/Vacuum Gauge
- Pressure Sender Type: 3-Wire Military Grade Transducer (Performance)
- Range: 30 inHg to 20 PSI
- Size: 2 5/8 inch (66.7 mm)
- Hole Size: 2.67 inches (68 mm)
- Units: Standard (inHg and PSI)
- Warning Light: Yes
- Ships With:
- Boost/Vac Hose Kit
- Pressure Sensor – 30 PSI
- 3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
- Pressure Gauge Wiring Harness (3-Wire Cable)
HOW TO USE:
- Mount the Gauge: Locate a suitable 2.67-inch diameter opening and secure the gauge using the provided hardware.
- Install the Pressure Sensor: Mount the 30 PSI pressure sensor to an appropriate vacuum/boost source on the intake manifold.
- Connect the Boost/Vac Hose: Route the provided hose from the sensor to the pressure input port on the gauge, avoiding heat and kinks.
- Connect the Wiring Harnesses:
- Attach the 3-Wire Pressure Gauge Wiring Harness to the sensor and back of the gauge.
- Connect the Power & Lighting Harness to a 12V ignition-switched power source and appropriate terminals on the gauge.
- Set the Warning Light: Use the gauge’s controls to set a desired warning threshold for boost or vacuum levels.
- Verify Operation: Start the vehicle and monitor the gauge’s readings. Confirm that the warning light activates at the set threshold.
BENEFITS OF USING THE SPEEDHUT 2-5/8″ 30INHG-0-20PSI BOOST/VAC GAUGE W/WARNING (R25-BV3-REV):
- Real-Time Monitoring: Allows for continuous observation of critical engine pressures for improved performance and safety.
- Prevents Engine Damage: Alerts the driver before harmful pressure conditions arise.
- Performance Optimization: Helps fine-tune boost levels for maximum power and efficiency.
- User-Friendly Installation: Kit includes all necessary components for easy setup.
- Reliable Readings: High-quality transducer ensures accurate and consistent performance.
FEATURES:
- Measures intake manifold vacuum up to 30 inHg and boost pressure up to 20 PSI.
- Equipped with a 3-wire military-grade transducer for dependable accuracy.
- Includes a programmable LED warning light to notify drivers of pressure anomalies.
- Standard 2 5/8 inch analog display for easy visibility.
- Fits into a 2.67-inch diameter opening for flexible installation options.
- Operates in standard units (inHg and PSI) for broad usability.
- Supplied with a complete Boost/Vac Hose Kit for secure pressure connections.
- Includes a 30 PSI pressure sensor for accurate input matching.
- Comes with a 3 ft Power & Lighting Harness for simple power integration.
- Features a dedicated 3-wire Pressure Gauge Wiring Harness for sensor connectivity.





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