Description
Experience precise vehicle speed and RPM tracking with the Speedhut 4″ 260km/h GPS Speedometer / 8K Tachometer Gauge (R4-DS8-REV). This dual-function gauge combines satellite-accurate GPS speed readings with a universally compatible tachometer capable of measuring up to 8,000 RPM. Designed for effortless installation, it requires only a 12V power source and comes equipped with a waterproof GPS antenna. Eliminating the need for mechanical sensors and calibration, this system operates globally without subscription fees. Built to endure, it features a robust aluminum bezel, high-torque stepper motor, internal microprocessor, and weather-resistant construction. Made in the USA and backed by a lifetime warranty, this gauge delivers dependable performance and sleek aesthetics in one compact unit.
KEY FEATURES AND BENEFITS:
- Accurate GPS Speed: Utilizes GPS technology for precise speed readings up to 260 km/h, with no need for mechanical connections or calibration.
- 8K Tachometer: Measures engine RPM up to 8,000, compatible with any tach signal over 1 volt from 1/2 to 6 pulses per revolution.
- Effortless Installation: Requires a basic 12V power connection and simple mounting with the included spin-lock ring.
- Universal Compatibility: Tachometer works with virtually any engine and tach signal source including ignition coils, ECUs, or crankshaft sensors.
- Integrated Microprocessor: Ensures accurate data processing for both speed and RPM.
- Smooth Pointer Movement: High-torque stepper motor delivers precise needle response under all conditions.
- Weather-Resistant Design: Built to withstand harsh environments for consistent performance.
- Sleek & Durable: Constructed with a solid billet aluminum bezel that combines style and strength.
- Global Functionality: Operates worldwide using free GPS signals with no subscriptions or transmission fees.
- Peace of Mind: Includes a Lifetime Warranty for long-term reliability and confidence.
- Made in the USA: Proudly manufactured in America, ensuring top-quality craftsmanship.
SPECIFICATIONS:
- Gauge Type: Dual GPS Speedometer / Tachometer
- Speedometer Range: 0-260 km/h
- Tachometer Range: 0-8,000 RPM
- Gauge Size: 4 inch
- Mounting Hole Size: 3.95 inches (100mm)
- Units: Metric
- Tachometer Compatibility: Any engine with a tach signal over 1 volt, 1/2 to 6 pulses per revolution
- Included:
- 8 ft Tachometer Harness (1 Wire 2 Pin Connector for LED Lit Gauges)
- GPS Antenna with 9.8 ft long cable and male SMA connector
- 3 ft Power & Lighting Harness (for LED Lit Gauges and Clocks)
HOW TO USE:
- Mount the Gauge: Create a 3.95-inch (100mm) hole in your dashboard and secure the gauge using the spin-lock ring.
- Connect Power and Lighting: Attach the 3 ft Power & Lighting Harness to a 12V power source and ground. Use this harness for LED illumination as needed.
- Install the GPS Antenna: Mount the waterproof antenna in a sky-facing location. Route the 9.8 ft cable to the back of the gauge and connect it using the male SMA connector.
- Connect the Tachometer Harness: Locate the tach signal output from your engine (ignition coil, ECU, or crank sensor) and connect to the 8 ft harness, then plug it into the gauge.
- Operation: Upon powering the system, the speedometer will start acquiring GPS signals for real-time speed, while the tachometer displays RPM as the engine runs.
BENEFITS OF USING THE SPEEDHUT 4″ 260KM/H GPS SPEEDOMETER / 8K TACHOMETER GAUGE (R4-DS8-REV):
- Gain precise, real-time speed and engine RPM data in a single integrated gauge.
- Enjoy hassle-free installation without calibration or complex sensor setups.
- Benefit from global GPS functionality without recurring fees or subscriptions.
- Monitor engine performance accurately with the universal tachometer input.
- Upgrade your dashboard with a visually appealing, billet aluminum design.
- Trust in long-term performance with weather resistance and a Lifetime Warranty.
- Support American manufacturing and quality assurance.
FEATURES:
- Satellite-based GPS technology for real-time speed tracking.
- Integrated tachometer supporting a wide range of engines and pulse signals.
- Simple power and ground wiring for easy speedometer functionality.
- Direct tach signal input from ignition coil, ECU, or crank sensor.
- Internal microprocessor for precise data accuracy.
- Stepper motor for high-response, smooth pointer movement.
- Compact, low-profile housing for versatile mounting.
- Durable billet aluminum bezel for enhanced aesthetics and protection.
- Weather-resistant for dependable outdoor and high-performance use.
- Lifetime warranty included.
- Proudly engineered and manufactured in the USA.






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