4" Dual GPS Speedometer + Tachometer | 140 km/h / 8K RPM

SKU: R4-DS11
$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

SKU: R2-FL1

2-1/16" Fuel Level Gauge | Programmable | Warning Light

Tracks fuel level with OEM sending units and user-configurable ohm ranges up to 300 ohms for broad compatibility. Calibrates to factory or custom resistance values for accurate, consistent readings, while an integrated warning light adds a clear low-fuel alert. Precision stepper motor delivers smooth, stable performance.
$135.04
SKU: R2-WT2

2-1/16" Water Temperature Gauge | 50-125°C | Warning Light

Delivers clear, real-time coolant temperature visibility with a dedicated sender built for accurate, dependable monitoring. A built-in warning light adds a clear high-temperature alert, while a precision stepper motor provides smooth, stable, and reliable readings.
$172.33
SKU: R2-V1

2-1/16" Volt Meter | 6-18V | Warning Light

Monitors system voltage in real time to keep battery and charging performance clear across startup, idle, and load. Helps you catch electrical issues early, while a built-in warning light adds a clear visual alert. Precision stepper motor delivers smooth, stable, and reliable readings.
$113.18
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