Speedhut 4" 160 mph GPS Speedometer / 8K Tachometer Gauge (R4-DS4-LEG)
KEY FEATURES AND BENEFITS:
Accurate GPS Speedometer: Provides real-time speed readings using GPS, ensuring accuracy without the need for calibration based on tire size or gear ratios.
Hassle-Free Installation: Requires only a 12V power connection and the included waterproof GPS antenna, which can be mounted conveniently.
Worldwide Compatibility: Operates globally using free GPS technology, receiving data without any subscription requirements.
Versatile Tachometer: Calibrated to work with any engine and tach signal over one volt, supporting 1/2 to 6 pulses per revolution for precise RPM monitoring.
Precise Pointer Movement: Features a high torque stepper motor that ensures accurate and stable pointer movement, even in demanding driving conditions.
Durable Construction: Built with a slim case, a secure spin-lock ring for easy mounting, and a solid billet aluminum bezel for enhanced durability and aesthetics.
Weather Resistance: Designed to withstand various environmental conditions, ensuring long-lasting performance.
American Craftsmanship: Proudly made in the USA, reflecting high standards of quality.
Gauge Type: Dual GPS Speedometer / Tachometer
Speedometer Range: 0-160 MPH
Tachometer Range: 0-8,000 RPM
Gauge Size: 4 inches
Hole Size: 3.95 inches (100mm)
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)
Mount the Gauge: Secure the 4-inch gauge in a suitable 3.95-inch (100mm) diameter opening in your vehicle's dashboard using the provided spin-lock ring.
Connect Power: Connect the 3 ft Power & Lighting Harness to a 12V power source in your vehicle.
Install GPS Antenna: Mount the GPS antenna in a location with a clear view of the sky. Connect the antenna cable to the gauge.
Connect Tachometer Signal: Connect the 8 ft Tachometer Harness to your engine's tachometer signal wire (a signal over one volt is required). Ensure the wiring matches your engine's pulse output (1/2 to 6 pulses per revolution).
Start Your Vehicle: Once all connections are secure, start your vehicle. The speedometer should acquire a GPS signal and begin displaying your speed. The tachometer will display the engine's RPM.
BENEFITS OF USING THE SPEEDHUT 4" 160 MPH GPS SPEEDOMETER / 8K TACHOMETER GAUGE (R4-DS4-LEG):
Provides highly accurate speed readings without the need for mechanical sensors or complex calibrations, simplifying installation and ensuring reliability.
Offers a dual-function solution, saving space on your dashboard by combining speed and RPM monitoring into a single, easy-to-read unit.
Ensures accurate RPM readings across various engine types, crucial for performance monitoring and preventing engine damage.
Offers global speed tracking capabilities, making it ideal for travel without the worry of recalibrating for different regions.
Features a robust and aesthetically pleasing design that enhances the interior of your vehicle while withstanding various driving conditions.
Utilizes GPS technology for precise speed measurement.
Integrates an 8,000 RPM capable tachometer.
Internal microprocessor ensures accurate data processing.
High torque stepper motor delivers smooth and accurate pointer movement.
Slim gauge case allows for versatile mounting options.
Convenient spin-lock ring simplifies the installation process.
Solid billet aluminum bezel adds a touch of style and increased durability.
Weather-resistant construction for reliable performance in diverse environments.
Designed and manufactured in the United States.
Product identification
- Brand: Speedhut
- Model / MPN: R4-DS4-LEG




