Description
The Speedhut 2-1/16″ 12K RPM Shift-light Tachometer (R2-TC5-REV) offers accurate and immediate engine speed readings for a variety of vehicles. Designed for compatibility with standard spark plug ignition systems on engines with 1 to 12 cylinders, this gauge provides essential information for optimal engine performance and shift timing. Its integrated shift light alerts drivers to ideal shift points, helping to maximize acceleration and prevent over-revving. The gauge’s compact 2-1/16 inch (52mm) size makes it suitable for a wide range of mounting locations.
KEY FEATURES AND BENEFITS:
- Precise RPM Monitoring: Accurately displays engine speed up to 12,000 RPM, providing crucial data for performance driving and engine health.
- Integrated Shift Light: Features an internal shift light that can be set to illuminate at desired RPM thresholds, improving shift timing and performance.
- Broad Compatibility: Designed for use with standard spark plug ignition systems on engines with 1 to 12 cylinders, making it versatile for various vehicle types.
- Compact Size: The 2-1/16 inch (52mm) gauge diameter allows for easy installation in common gauge pods and mounting locations.
- Complete Installation Kit: Ships with all necessary wiring harnesses and a mounting ring for a straightforward installation process.
SPECIFICATIONS:
- Gauge Type: Tachometer
- Compatibility: 1-12 cylinder standard spark plug ignition systems
- Range: 0-12,000 RPM
- Size: 2-1/16 inch (52mm)
- Hole Size: 2.062 inches (52mm)
- Internal Shift Light: Yes
- Gauge Mounting Ring: Included
- Ships With:
- 8 ft Tachometer Harness (1 Wire 2 Pin Connector)
- 3 ft Power & Lighting Harness
HOW TO USE:
- Mount the Gauge: Choose a suitable location on your vehicle’s dashboard or instrument panel and create a 2.062-inch (52mm) diameter hole. Secure the tachometer in place using the included mounting ring.
- Connect the Power and Lighting Harness: Connect the 3 ft Power & Lighting Harness to a 12V power source, ground, and your vehicle’s lighting circuit (if you desire the gauge to illuminate with your headlights).
- Connect the Tachometer Signal Harness: Connect the 8 ft Tachometer Harness. One wire will connect to the negative (-) side of your coil or the designated tachometer output signal wire from your vehicle’s ECU (refer to your vehicle’s wiring diagram).
- Ground the Tachometer: Ensure a good ground connection for both harnesses.
- Set the Shift Light (if applicable): Follow the manufacturer’s instructions (which would typically be included with the product) to set the desired RPM point for the internal shift light to activate. This usually involves a configuration process using buttons or dials on the gauge.
- Test the Gauge: Start your engine and observe the tachometer reading to ensure it is functioning correctly. Verify that the shift light illuminates at the set RPM.
BENEFITS OF USING THE SPEEDHUT 2-1/16″ 12K RPM SHIFT-LIGHT TACHOMETER (R2-TC5-REV):
- Provides drivers with critical real-time information about their engine’s performance.
- Accurate RPM readings help prevent engine damage from over-revving.
- Integrated shift light enables consistent and precise gear changes.
- Improves acceleration and may contribute to better fuel efficiency.
- Compact design allows installation in tight interior spaces.
- Includes complete wiring and mounting hardware for easy installation.
- Suitable for both DIY users and professional installers.
FEATURES:
- Clear and easy-to-read analog display for immediate RPM information.
- Internal shift light provides a visual cue for optimal gear changes.
- Designed to work seamlessly with standard spark plug ignition systems found in a wide array of vehicles.
- Compact 2-1/16″ (52mm) size offers installation flexibility.
- Comes complete with necessary wiring harnesses for power, lighting, and RPM signal connection.
- Mounting ring included for secure and straightforward installation.
- Provides accurate engine speed data up to 12,000 revolutions per minute.
- Helps drivers optimize shift points for enhanced performance.
- Contributes to preventing potential engine damage from exceeding RPM limits.





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