4" Dual GPS Speedometer + Tachometer | 120 MPH / 8K RPM

SKU: R4-DS2
Be the first to review this product
$473.25
Real-time, calibration-free speed using GPS satellite data with integrated RPM monitoring in one compact gauge. No speed sensors, gear ratios, or drivetrain connection required—just connect 12V power, mount the antenna, and drive. Tachometer works across a wide range of engine setups, with a precision stepper motor for smooth, stable readings.
+ -
Order leaves our facility in about 2 Weeks

The Dual GPS Speedometer/Tachometer combines speed and RPM in one compact, space-saving gauge. GPS speed provides real-time, calibration-free readings with no drivetrain connection required—just connect power, mount the antenna, and drive. The tachometer works across a wide range of engines for flexible installation in both classic and modern builds. A precision stepper motor keeps the needle smooth, stable, and accurate at a glance. Built with a durable housing and solid aluminum bezel, it’s made 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:

  • Dual Speed & RPM Display — combines GPS speed with tachometer readings
  • Calibration-Free GPS — no sensors or drivetrain connection required
  • Wide Engine Compatibility — supports 1–12 cylinder and ½–6 pulse signals
  • Microprocessor-Driven — real-time accuracy
  • Stepper Motor Precision — smooth, accurate pointer
  • Weather-Resistant Build — built for street, track, and off-road
  • Made in the USA — backed by a lifetime warranty
Download Instructions
Product reviews
Only registered users can write reviews

Customers who bought this item also bought

Customize
SKU: R4-QG2

4" Quad Gauge | 4-in-1 Water Temp + Oil Pressure + Volt + Fuel Level

Combines four critical readings into one compact gauge for complete system monitoring. Packs multiple functions into a single, space-saving instrument for clean installs. Independent stepper motors ensure smooth, stable readings across all functions.
$396.35
Customize
SKU: L2-FL2

2-1/16" Fuel Level Gauge | Programmable | 90 Degree Sweep | Classic Design

Tracks fuel level using OEM sending units with user-configurable ohm ranges up to 300 ohms for broad compatibility. Calibrates to factory or custom resistance values for accurate, consistent readings. Precision stepper motor delivers smooth, stable performance.
$122.17
Customize
SKU: L2-FL1

2-1/16" Fuel Level Gauge | Programmable | Classic Design

Tracks fuel level using OEM sending units with user-configurable ohm ranges up to 300 ohms for broad compatibility. Calibrates to factory or custom resistance values for accurate, consistent readings. Precision stepper motor delivers smooth, stable performance.
$122.17
Customize
SKU: L2-V2

2-1/16" Classic Volt Gauge | 6-18V | 90 Degree Sweep | Classic Design

Delivers clear, real-time system voltage visibility to track battery and charging performance in changing conditions. Helps identify electrical issues before they turn into bigger problems, while a precision stepper motor provides smooth, stable, and reliable readings.
$99.03