Revolution
High-performance gauges built for drivers who demand unmatched accuracy, speed, and control.
- Universal fit — works in any car, truck, or custom project
- Programmable warning lights for high/low alerts
- Internal tachometer shift light for precise RPM control
- Precision stepper motors for smooth, accurate pointer control
- Built tough to perform for years without compromise
SKU: R4-DS11T
4" Dual GPS Speedometer + Tachometer + TS/HB | 140 km/h / 8K RPM
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.
$503.25
SKU: R4-DS17T
4" Dual GPS Speedometer + Tachometer + TS/HB | 160 MPH / 10K RPM
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.
$503.25
SKU: R4-DS4T
4" Dual GPS Speedometer + Tachometer + TS/HB | 160 MPH / 8K RPM
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.
$503.25
SKU: R4-DS18T
4" Dual GPS Speedometer + Tachometer + TS/HB | 200 km/h / 10K RPM
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.
$503.25
SKU: R4-DS6T
4" Dual GPS Speedometer + Tachometer + TS/HB | 200 km/h / 8K RPM
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.
$503.25
SKU: R4-DS19T
4" Dual GPS Speedometer + Tachometer + TS/HB | 260 km/h / 10K RPM
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.
$503.25
SKU: R4-DS8T
4" Dual GPS Speedometer + Tachometer + TS/HB | 260 km/h / 8K RPM
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.
$503.25
SKU: R4-DS9T
4" Dual GPS Speedometer + Tachometer + TS/HB | 80 MPH / 8K RPM
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.
$503.25
SKU: R4-S19
4" GPS Speedometer | 100 MPH
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.
$378.08
SKU: R4-S1
4" GPS Speedometer | 120 MPH
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.
$378.08
SKU: R4-S20
4" GPS Speedometer | 160 km/h (Metric)
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.
$378.08
SKU: R4-S3
4" GPS Speedometer | 160 MPH
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.
$378.08
SKU: R4-S2
4" GPS Speedometer | 200 km/h (Metric)
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.
$378.08
SKU: R4-S16
4" GPS Speedometer | 200 MPH
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.
$378.08
SKU: R4-S4
4" GPS Speedometer | 260 km/h (Metric)
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.
$378.08
SKU: R4-S24
4" GPS Speedometer | 300 km/h
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.
$378.08
SKU: R4-S19T
4" GPS Speedometer + TS/HB | 100 MPH
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.
$408.08
SKU: R4-S1T
4" GPS Speedometer + TS/HB | 120 MPH
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.
$408.08
SKU: R4-S20T
4" GPS Speedometer + TS/HB | 160 km/h (Metric)
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.
$408.08
SKU: R4-S3T
4" GPS Speedometer + TS/HB | 160 MPH
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.
$408.08
SKU: R4-S2T
4" GPS Speedometer + TS/HB | 200 km/h (Metric)
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.
$408.08
SKU: R4-S16T
4" GPS Speedometer + TS/HB | 200 MPH
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.
$408.08
SKU: R4-S4T
4" GPS Speedometer + TS/HB | 260 km/h (Metric)
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.
$408.08
SKU: R4-S24T
4" GPS Speedometer + TS/HB | 300 km/h
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.
$408.08
SKU: R4-S10
4" Programmable Speedometer | 120 MPH
Real-time speed using your vehicle’s VSS signal with user-programmable calibration for gear ratio and tire size. Integrates with transmission or ECU outputs for clean installation across stock and custom setups. Microprocessor-controlled with a precision stepper motor for smooth, stable, and accurate readings.
$284.22
SKU: R4-S12
4" Programmable Speedometer | 160 MPH
Real-time speed using your vehicle’s VSS signal with user-programmable calibration for gear ratio and tire size. Integrates with transmission or ECU outputs for clean installation across stock and custom setups. Microprocessor-controlled with a precision stepper motor for smooth, stable, and accurate readings.
$284.22
SKU: R4-S21
4" Programmable Speedometer | 180 MPH
Real-time speed using your vehicle’s VSS signal with user-programmable calibration for gear ratio and tire size. Integrates with transmission or ECU outputs for clean installation across stock and custom setups. Microprocessor-controlled with a precision stepper motor for smooth, stable, and accurate readings.
$284.22
SKU: R4-S11
4" Programmable Speedometer | 200 km/h (Metric)
Real-time speed using your vehicle’s VSS signal with user-programmable calibration for gear ratio and tire size. Integrates with transmission or ECU outputs for clean installation across stock and custom setups. Microprocessor-controlled with a precision stepper motor for smooth, stable, and accurate readings.
$284.22
SKU: R4-S13
4" Programmable Speedometer | 260 km/h
Real-time speed using your vehicle’s VSS signal with user-programmable calibration for gear ratio and tire size. Integrates with transmission or ECU outputs for clean installation across stock and custom setups. Microprocessor-controlled with a precision stepper motor for smooth, stable, and accurate readings.
$284.22
SKU: R4-S25
4" Programmable Speedometer | 300 km/h
Real-time speed using your vehicle’s VSS signal with user-programmable calibration for gear ratio and tire size. Integrates with transmission or ECU outputs for clean installation across stock and custom setups. Microprocessor-controlled with a precision stepper motor for smooth, stable, and accurate readings.
$284.22
SKU: R4-S10T
4" Programmable Speedometer + TS/HB | 120 MPH
Real-time speed using your vehicle’s VSS signal with user-programmable calibration for gear ratio and tire size. Integrates with transmission or ECU outputs for clean installation across stock and custom setups. Microprocessor-controlled with a precision stepper motor for smooth, stable, and accurate readings.
$314.22
SKU: R4-S12T
4" Programmable Speedometer + TS/HB | 160 MPH
Real-time speed using your vehicle’s VSS signal with user-programmable calibration for gear ratio and tire size. Integrates with transmission or ECU outputs for clean installation across stock and custom setups. Microprocessor-controlled with a precision stepper motor for smooth, stable, and accurate readings.
$314.22
SKU: R4-S21T
4" Programmable Speedometer + TS/HB | 180 MPH
Real-time speed using your vehicle’s VSS signal with user-programmable calibration for gear ratio and tire size. Integrates with transmission or ECU outputs for clean installation across stock and custom setups. Microprocessor-controlled with a precision stepper motor for smooth, stable, and accurate readings.
$314.22
SKU: R4-S11T
4" Programmable Speedometer + TS/HB | 200 km/h (Metric)
Real-time speed using your vehicle’s VSS signal with user-programmable calibration for gear ratio and tire size. Integrates with transmission or ECU outputs for clean installation across stock and custom setups. Microprocessor-controlled with a precision stepper motor for smooth, stable, and accurate readings.
$314.22
SKU: R4-S13T
4" Programmable Speedometer + TS/HB | 260 km/h
Real-time speed using your vehicle’s VSS signal with user-programmable calibration for gear ratio and tire size. Integrates with transmission or ECU outputs for clean installation across stock and custom setups. Microprocessor-controlled with a precision stepper motor for smooth, stable, and accurate readings.
$314.22
SKU: R4-S25T
4" Programmable Speedometer + TS/HB | 300 km/h
Real-time speed using your vehicle’s VSS signal with user-programmable calibration for gear ratio and tire size. Integrates with transmission or ECU outputs for clean installation across stock and custom setups. Microprocessor-controlled with a precision stepper motor for smooth, stable, and accurate readings.
$314.22