Description
The Speedhut 4″ 180 mph Programmable Speedometer (R4-S21-REV) is a meticulously engineered instrument designed to provide accurate and customizable speed readings for a wide range of vehicles. Its programmable nature allows for seamless integration with various vehicle configurations, ensuring precise speed assessment tailored to your specific needs. Built with quality and longevity in mind, this speedometer offers a reliable solution for monitoring your vehicle’s speed.
KEY FEATURES AND BENEFITS:
- Programmable Calibration: Effortlessly calibrate the speedometer to match your vehicle’s unique specifications, including different gear ratios and tire sizes, ensuring accurate speed readings.
- Universal Compatibility: Works seamlessly with any vehicle speed sensor, offering broad compatibility across different makes and models.
- Precise Pointer Movement: The high torque stepper motor guarantees smooth and accurate pointer movement, even under demanding driving conditions.
- Enhanced Durability: A solid billet aluminum bezel adds to the gauge’s robustness and aesthetic appeal.
- Weather Resistance: Designed to withstand various environmental conditions, ensuring long-lasting performance.
- Quality Craftsmanship: Proudly made in America, assuring high standards of manufacturing.
SPECIFICATIONS:
- Gauge Type: Speedometer
- Speedometer Signal Type: Electric Programmable
- Range: 0 – 180 MPH
- Size: 4 inches
- Hole Size: 3.93 inches (100mm)
- Units: Standard (MPH)
- Included:
- 8 ft Programmable Speedometer Wire Harness (LED lit)
- 3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
HOW TO USE:
- Mount the Speedometer: Secure the 4-inch speedometer in the designated 3.93-inch (100mm) hole using the slim case design and spin-lock ring.
- Connect the Wiring Harnesses: Utilize the included 8 ft Programmable Speedometer Wire Harness (LED lit) and the 3 ft Power & Lighting Harness to connect the gauge to your vehicle’s electrical system and speed sensor.
- Power Up the Gauge: Once the harnesses are properly connected, power up your vehicle’s electrical system to illuminate the gauge.
- Calibrate the Speedometer: Follow the specific calibration instructions (usually provided in the product manual) to program the speedometer to match your vehicle’s speed sensor output, gear ratio, and tire size. This ensures accurate speed readings. The user-configurable design allows for adjustments as needed.
BENEFITS OF USING THE SPEEDHUT 4″ 180 MPH PROGRAMMABLE SPEEDOMETER (R4-S21-REV):
- Accurate Speed Readings: Delivers accurate speed readings, crucial for both everyday driving and performance applications.
- High-Quality Construction: Features a robust billet aluminum bezel and weather-resistant design, ensuring longevity and reliable performance in various conditions.
- Easy Installation: Facilitated by the slim case design and spin-lock ring, along with the included LED-lit wiring harnesses, simplifying the upgrade process.
- Pinpoint Accuracy: Internal microprocessor and high torque stepper motor work together to provide smooth pointer movement and accurate speed readings.
- Peace of Mind: Backed by a lifetime warranty, underscoring the manufacturer’s confidence in the product’s durability and craftsmanship.
FEATURES:
- Adaptable Calibration: Adjusts to various gear ratios for precise speed display.
- Tire Size Compensation: Accounts for different tire diameters to maintain accuracy.
- Universal Sensor Interface: Reads signals from any electric vehicle speed output.
- Illuminated Wiring: The included speedometer harness features LED lighting for enhanced visibility during installation.
- Streamlined Mounting: The spin-lock ring allows for quick and secure gauge placement.
- Solid Metal Construction: The billet aluminum bezel offers increased resilience.
- All-Weather Performance: Operates reliably in diverse environmental conditions.
- Guaranteed Reliability: Backed by a comprehensive lifetime warranty.
- American-Made Quality: Represents superior manufacturing standards.






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