Description
Experience enhanced driving awareness with the Speedhut 4" 160 mph GPS Speedometer / 8K Tachometer Gauge (R4-DS4-REV). This 4-inch gauge seamlessly integrates precise GPS-based speed measurement with accurate engine RPM readings, providing you with essential real-time data in a clear and reliable format. Designed for ease of installation and dependable performance, this dual gauge is a valuable addition to any vehicle.
KEY FEATURES AND BENEFITS:
- Dual Functionality: Combines a 160 MPH GPS speedometer and an 8K RPM tachometer into a single, compact 4-inch unit, saving dashboard space and simplifying monitoring.
- Accurate GPS Speed: Utilizes GPS technology to deliver precise, real-time speed readings without the complexities of traditional speed sensors or the need for calibration due to tire size or gear ratio changes. Operates globally with free GPS service.
- Universal Tachometer Compatibility: The 8K RPM tachometer is calibrated to work with virtually any engine that produces a tach signal over one volt, supporting a wide range of pulse rates from 1/2 to 6 pulses per revolution.
- Effortless Installation: Requires only a 12V power connection and the included waterproof GPS antenna, which can be mounted conveniently anywhere on your vehicle. The spin-lock ring and slim case further simplify the mounting process.
- Precise Readings: An internal microprocessor ensures pinpoint accuracy in both speed and RPM readings. The high torque stepper motor guarantees smooth and precise pointer movement, even under demanding conditions.
- Robust Design: Features a solid billet aluminum bezel for added strength and a refined aesthetic. The weather-resistant construction ensures long-term reliability in various environmental conditions.
- Peace of Mind: Backed by a lifetime warranty, reflecting the quality and dependability of this American-made product.
SPECIFICATIONS:
- Gauge Type: Dual GPS Speedometer / Tachometer
- Speedometer Range: 0-160 MPH
- Tachometer Range: 0-8K RPM
- Size: 4 inches (diameter)
- Hole Size: 3.95 inches (100mm)
- Included:
- 3 ft Power & Lighting Harness (for LED Lit Gauges and Clocks)
- GPS Antenna with 9.8 ft long cable and male SMA connector
- 8 ft Tachometer Harness (for LED Lit Gauges – 1 Wire 2 Pin Connector)
HOW TO USE:
- Mount the Gauge: Locate a suitable 3.95" (100mm) opening on your dashboard. Insert the gauge into the opening and secure it using the spin-lock ring from the back.
- Connect Power and Lighting: Connect the 3 ft Power & Lighting Harness. Typically, this involves connecting to a 12V power source, ground, and optionally to your vehicle’s lighting circuit for illumination.
- Install the GPS Antenna: Mount the GPS antenna in a location with a clear view of the sky. Connect the antenna cable (with the male SMA connector) to the corresponding connector on the back of the speedometer.
- Connect the Tachometer Signal: Connect the 8 ft Tachometer Harness to the tachometer signal output from your vehicle’s engine control unit (ECU) or ignition system. Ensure the connection is secure.
- Verify Functionality: Once all connections are made, turn on your vehicle’s ignition. The speedometer should begin reading your speed once a GPS signal is acquired, and the tachometer should display the engine’s RPM.
BENEFITS OF USING THE SPEEDHUT 4" 160 MPH GPS SPEEDOMETER / 8K TACHOMETER GAUGE (R4-DS4-REV):
- Enhanced Accuracy: Enjoy precise speed readings thanks to GPS technology, eliminating inaccuracies associated with mechanical or wheel speed sensors.
- Simplified Installation: The GPS speedometer removes the need for complex wiring to the transmission or wheel hubs, making installation straightforward.
- Universal Compatibility: The tachometer’s broad compatibility ensures it can function with a wide variety of engine types and signal outputs.
- Clear and Comprehensive Data: Get both crucial speed and engine RPM information in one easily readable gauge.
- Reliable Performance: Built with high-quality components and backed by a lifetime warranty, ensuring long-lasting and dependable operation.
- Clean Aesthetics: The slim design and billet aluminum bezel add a touch of quality and style to your vehicle’s interior.
FEATURES:
- Real-time vehicle speed tracking via satellite-based positioning.
- Engine speed monitoring compatible with diverse ignition systems.
- Internal processing for highly accurate data interpretation.
- Smooth and precise needle movement across the entire measurement range.
- Low-profile design for seamless dashboard integration.
- Secure and straightforward mounting mechanism.
- Premium metal surround for increased resilience.
- Designed to withstand various weather conditions.
- Backed by a manufacturer’s guarantee for the product’s lifespan.
- Proudly manufactured within the United States.






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