4" GPS Speedometer | 120 MPH

SKU: R4-S1
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$378.08
Real-time, calibration-free speed using GPS satellite data. No speed sensors, gear ratios, or tire size input required—just connect 12V power, mount the antenna, and drive. Built for manual, automatic, and custom setups, with a precision stepper motor for smooth, stable readings.
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Order leaves our facility in about 2 Weeks

The GPS Speedometer delivers accurate, real-time speed using satellite data—no calibration, no sensors, and no transmission connection required. It works with any setup, from stock drivetrains to full custom builds, making installation simple and reliable across a wide range of vehicles. A precision stepper motor keeps the needle smooth and steady, giving you clear, dependable readings at a glance. Built with a durable housing and solid aluminum bezel, it’s designed for real driving conditions and long-term use. Made in the USA and backed for life.

Track-Tested. USA-Built. Backed for Life.

Key Features:

  • Calibration-Free GPS — no sensors, gear ratios, or tire inputs required
  • Worldwide Coverage — free GPS signal with no subscriptions
  • Simple Installation — connect power, mount antenna, and drive
  • Universal Compatibility — works with manual, automatic, and custom setups
  • Microprocessor-Driven — real-time accuracy
  • Stepper Motor Precision — smooth, accurate pointer movement
  • Weather-Resistant Build — built for street, track, and off-road
  • Made in the USA — backed by a lifetime warranty
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