Description
The Speedhut 3-3/8″ 260 mph GPS Speedometer (R3-S30-REV) is a cutting-edge gauge engineered to deliver unmatched speed accuracy using GPS technology. With a sleek 3-3/8″ (85mm) design, it reads speeds up to 260 MPH without the need for traditional speed sensors, gear ratio calibration, or tire size adjustments. Installation is simplified, requiring only a 12V power source and the included waterproof GPS antenna. Operating globally without subscription fees, this receive-only system ensures total privacy and reliability. With robust construction and American craftsmanship, it’s the ideal solution for performance enthusiasts who demand both precision and durability.
KEY FEATURES AND BENEFITS:
- Unmatched Accuracy: Employs GPS technology for highly precise speed readings, ensuring you always know your exact velocity.
- Simplified Installation: Requires only a 12V power source and the included GPS antenna, making setup quick and easy without needing to access the drivetrain.
- No Calibration Needed: Eliminates the hassle of manually inputting tire sizes or gear ratios, as the GPS automatically determines speed.
- Global Operation: Functions worldwide using the free GPS network, without any subscription costs.
- Durable Construction: Features a robust design and a solid billet aluminum bezel for long-lasting performance and a premium look.
- Easy Mounting: Comes with a slim case and a convenient spin-lock ring for secure and simple installation in a standard 3 3/8″ (85mm) gauge opening.
- Clear Display: The user-friendly LCD screen ensures easy readability of speed and other data.
- Reliable Performance: An internal microprocessor guarantees consistent and accurate readings.
- Smooth Operation: A high torque stepper motor provides precise and smooth pointer movement, crucial for performance driving.
- Peace of Mind: Backed by a Lifetime Warranty, ensuring dependability and long-term satisfaction.
- Quality Craftsmanship: Proudly made in America, reflecting superior quality and attention to detail.
SPECIFICATIONS:
- Gauge Type: Speedometer
- Speedometer Signal Type: GPS
- Range: 260 MPH
- Size: 3 3/8 inch (85mm)
- Hole Size: 3.28 inch (83mm)
- Units: Standard (MPH)
- Gauge Mounting Ring: Included
- Included in the box:
- GPS Antenna with 9.8 ft long cable and male SMA connector
- 3 ft Power & Lighting Harness
HOW TO USE:
- Mount the Gauge: Insert the 3 3/8″ Speedometer into the designated 3.28″ (83mm) mounting hole in your vehicle’s dashboard or instrument panel. Secure it using the included mounting ring.
- Connect Power: Connect the red wire from the provided 3 ft Power & Lighting Harness to a 12V positive power source in your vehicle. Connect the black wire to a suitable ground. Connect the additional wires to a switched 12V lighting circuit to illuminate the gauge.
- Install the GPS Antenna: Mount the included waterproof GPS antenna in a location with a clear view of the sky, such as on the dashboard or roof.
- Connect the Antenna: Route the 9.8 ft cable from the GPS antenna to the back of the speedometer and securely connect it using the male SMA connector.
- Start Your Vehicle: Turn on your ignition. The speedometer will begin acquiring a GPS signal, which may take a few moments initially.
- Observe Speed Readings: Once a signal is acquired, the speedometer will display your speed accurately. No calibration is necessary.
BENEFITS OF USING THE SPEEDHUT 3-3/8″ 260 MPH GPS SPEEDOMETER (R3-S30-REV):
- Provides precise and reliable speed readings without complex sensor or calibration setups.
- Operates worldwide with free GPS access, offering accurate tracking wherever you drive.
- Simplifies installation with included components and minimal wiring requirements.
- Eliminates errors due to gear or tire modifications with automatic GPS-based speed calculation.
- Delivers a stylish and durable design backed by a Lifetime Warranty for peace of mind.
- Represents high-quality American manufacturing with trusted performance.
FEATURES:
- Utilizes satellite-based positioning for direct and instantaneous speed readings.
- Offers a plug-and-play installation experience with minimal wiring.
- Automatically adjusts for varying road conditions and tire wear, maintaining accuracy.
- Provides consistent speed data regardless of transmission or differential changes.
- Features a slim profile and spin-lock ring for a clean and secure mount.
- Boasts a solid billet aluminum bezel, enhancing both aesthetics and structural integrity.
- Designed to withstand diverse environmental conditions.
- Equipped with an internal processor for rapid data interpretation.
- Employs a high-response stepper motor for fluid needle movement.
- Backed by a comprehensive Lifetime Warranty on the gauge electronics.






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