Speedhut 2-5/8" 30inhg-0-30PSI Boost/Vac Gauge w/Warning (R25-BV4-REV)
The Speedhut 2-5/8" 30inhg-0-30PSI Boost/Vac Gauge w/Warning (R25-BV4-REV) is an essential instrument for any turbocharged or supercharged gasoline engine, providing real-time monitoring of both vacuum and boost pressure. This gauge allows you to understand your engine's performance and identify potential issues before they become serious problems.
KEY FEATURES AND BENEFITS:
Accurate range: Measures vacuum from 30 inHg to 0 and boost from 0 to 30 PSI for comprehensive pressure monitoring.
High-precision transducer: Equipped with a 3-wire military-grade transducer for dependable performance.
Integrated warning system: User-programmable light alerts drivers to pressure anomalies, enhancing safety.
Standard fit: Designed for installation in a standard 2.67-inch (68 mm) mounting hole.
Complete kit: Ships with all necessary components for a straightforward setup.
Gauge Type: Boost/Vacuum Gauge
Pressure Sender Type: 3-Wire Military Grade Transducer (Performance)
Range: 30 inHg – 0 – 30 PSI
Size: 2 5/8 inch
Hole Size: 2.67 inches (68 mm)
Standard or Metric: Standard
Warning Light: Yes
3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
Pressure Sensor – 30 PSI
Pressure Gauge Wiring Harness (3-Wire Cable)
Boost/Vac Hose Kit
Mount the Gauge: Secure the 2-5/8" gauge in a suitable 2.67-inch (68 mm) diameter opening in your vehicle's dashboard or instrument panel using the spin-lock ring.
Connect the Power and Lighting Harness: Attach the 3 ft power and lighting harness to the gauge. Connect the power and ground wires to your vehicle's electrical system, and the lighting wire to your preferred illumination source.
Install the Pressure Sensor: Mount the included 30 PSI pressure sensor in a suitable location on your engine's intake manifold or a designated boost/vacuum port.
Connect the Pressure Sensor Wiring Harness: Connect the 3-wire cable from the pressure sensor to the corresponding terminals on the back of the gauge.
Install the Boost/Vac Hose: Connect the provided hose between the pressure sensor and the boost/vacuum source on your engine. Ensure all connections are secure to prevent leaks.
Set the Warning Light (Optional): Follow the gauge's specific instructions to set the desired vacuum and/or boost pressure levels at which the warning light will activate.
Monitor Readings: Once installed, the gauge will display real-time vacuum and boost pressure readings when your vehicle is running. Pay attention to these readings to ensure your engine is operating within its optimal range.
BENEFITS OF USING THE SPEEDHUT 2-5/8" 30INHG-0-30PSI BOOST/VAC GAUGE W/WARNING (R25-BV4-REV):
Monitors both vacuum and boost to assess engine health and turbo/supercharger performance.
Helps prevent engine damage with real-time alerts from the integrated warning light.
Enables better engine management with accurate, dependable data.
Improves tuning capability and awareness of operating conditions.
Complete installation kit makes setup accessible for all skill levels.
Provides simultaneous readings of both vacuum and boost pressure.
Utilizes a high-performance 3-wire military-grade transducer for accurate data acquisition.
Includes a user-programmable warning light to indicate out-of-range pressure levels.
Designed with a precise stepper motor for smooth and accurate needle movement.
Features a slim case design for versatile mounting options.
Comes complete with all necessary wiring, sensor, and hose for installation.
Product identification
- Brand: Speedhut
- Model / MPN: R25-BV4-REV




