Description
The Speedhut 2-5/8″ 0-4.0 Bar Boost Gauge (L25-B8-LEG) is a precision instrument designed for monitoring the intake manifold pressure in turbocharged or supercharged vehicles. This metric gauge provides accurate readings from 0 to 4.0 bar, allowing drivers to closely observe their engine’s performance under various conditions. Featuring a high-quality 3-wire military-grade transducer, this gauge ensures reliable and precise measurements. Its 2-5/8 inch (67mm) size makes it a versatile fit for many aftermarket gauge pods.
KEY FEATURES AND BENEFITS:
- Accurate Measurement: Employs a 3-wire military-grade transducer to deliver precise and dependable boost and vacuum readings.
- Optimal Range: The 0-4.0 bar range is suitable for a wide variety of vehicles, providing detailed information on both boost and vacuum levels.
- Metric Display: Presents readings in bar, the standard metric unit for pressure measurement.
- Easy Installation: Comes with the necessary wiring harnesses and pressure sensor to facilitate a straightforward installation process.
- Durable Construction: Built with quality materials to withstand the demanding environment of automotive applications.
- Clear Visibility: Designed for easy reading of pressure levels at a glance.
SPECIFICATIONS:
- Gauge Type: Boost/Vacuum Gauge
- Range: 0-4.0 bar
- Size: 2 5/8 inch (67mm)
- Hole Size: 2.68″ (68mm)
- Standard or Metric: Metric
- Pressure Sender Type: 3-Wire Military Grade Transducer (Performance)
- Ships With:
- Pressure Gauge Wiring Harness (3-Wire Cable)
- Pressure Sensor – 100 psi
- 3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
HOW TO USE:
- Mount the Gauge: Secure the 2-5/8″ gauge in your desired location using a compatible gauge pod or mounting solution. Ensure the 2.68″ (68mm) hole size is appropriate.
- Install the Pressure Sensor: Locate a suitable port on your vehicle’s intake manifold to install the provided pressure sensor. This is where the boost and vacuum pressure will be measured.
- Connect the Wiring Harnesses:
- Connect one end of the Pressure Gauge Wiring Harness (3-Wire Cable) to the pressure sensor.
- Connect the other end of the Pressure Gauge Wiring Harness to the corresponding terminals on the back of the boost gauge.
- Connect the 3 ft Power & Lighting Harness to a suitable 12V power source in your vehicle. This harness will also provide power for the gauge’s illumination. Ensure proper grounding.
- Verify Connections: Double-check all wiring connections to ensure they are secure and correct according to the gauge’s wiring diagram (if provided).
- Start Your Vehicle: Once all connections are made, start your vehicle’s engine.
- Monitor Readings: Observe the gauge to ensure it is displaying the correct boost and vacuum readings as your engine operates under different conditions.
BENEFITS OF USING THE SPEEDHUT 2-5/8″ 0-4.0 BAR BOOST GAUGE (L25-B8-LEG):
- Provides real-time information about the engine’s forced induction system.
- Allows proactive monitoring of performance to detect potential issues like leaks or over-boosting before they cause significant damage.
- Offers accurate and immediate feedback on boost and vacuum levels for better performance optimization.
- Helps drivers adjust their driving style for improved efficiency and overall vehicle performance.
- Reliable readings from the military-grade transducer ensure confidence in the accuracy of the displayed information.
FEATURES:
- Provides real-time monitoring of intake manifold pressure in bar.
- Utilizes a high-accuracy 3-wire transducer for precise measurements.
- Compact 2-5/8″ size fits standard gauge openings.
- Designed with a metric scale for clear and direct pressure readings.
- Includes essential wiring and a 100 psi pressure sensor for installation.
- Features LED illumination for enhanced visibility during nighttime driving.
- Robust construction ensures longevity and reliable performance.
- Facilitates early detection of potential engine performance issues related to boost or vacuum.






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