Speedhut 4-1/2″ 4K RPM Dash Mount Shift-light Tachometer (R45-TC1-REV)

The Speedhut 4-1/2″ 4K RPM Dash Mount Shift-light Tachometer (R45-TC1-REV) is an essential instrument for performance monitoring, providing accurate and immediate readings of your engine’s revolutions per minute. Designed for seamless integration into your vehicle’s dashboard, this tachometer features a clear, analog display with a range of 0 to 4,000 RPM. The incorporated internal shift light enhances your ability to optimize gear changes, leading to improved performance and efficiency. This gauge is specifically engineered for compatibility with standard spark plug ignition systems on gasoline engines with 1 to 12 cylinders.

KEY FEATURES AND BENEFITS:

• Clear RPM Monitoring: Accurately displays engine speed up to 4,000 RPM, allowing for precise performance tracking.
• Integrated Shift Light: Features bright internal LEDs that provide a clear visual cue for optimal shift points, improving acceleration and preventing over-revving.
• Wide Compatibility: Designed to work with a broad range of gasoline engines, from 1 to 12 cylinders, utilizing standard spark plug ignition systems.
• Convenient Dash Mount: The 4 1/2 inch size and included mounting ring facilitate easy and secure installation directly into your vehicle’s dashboard.
• Complete Wiring: Ships with dedicated power and tachometer harnesses, simplifying the electrical connections required for operation.

SPECIFICATIONS:

• Standard or Metric: Standard
• Gauge Type: Tachometer
• Tachometer Signal Type: standard spark plug ignition systems
• Compatibility: 1-12 cylinder
• Range: 4K RPM
• Size: 4 1/2 inch
• Hole Size: 4.250″ (108mm)
• Internal Shift Light: Yes
• Mount Style: Dash Mount
• Gauge Mounting Ring: Included
• Ships With:
  • 3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
  • 8 ft Tachometer Harness – for LED Lit Gauges (1 Wire 2 Pin Connector)

HOW TO USE:

• Mount the Gauge: Locate a suitable flat surface on your vehicle’s dashboard and cut a 4.250″ (108mm) diameter hole. Insert the tachometer into the hole from the front.
• Secure the Gauge: From the back of the dashboard, slide the included gauge mounting ring over the back of the tachometer and tighten it to secure the gauge in place.
• Connect the Power Harness: Connect the 3 ft Power & Lighting Harness to a suitable power source in your vehicle. Typically, this involves connecting to a 12V power supply, ground, and the vehicle’s lighting circuit if you desire the gauge to illuminate with your headlights.
• Connect the Tachometer Harness: Locate the tachometer signal wire from your engine’s ignition system (usually from the negative side of the coil or a designated tach output). Connect this wire to the appropriate wire on the 8 ft Tachometer Harness (1 Wire 2 Pin Connector).
• Final Checks: Ensure all connections are secure and properly insulated. Start your engine and verify that the tachometer is receiving a signal and displaying the RPM correctly. The internal shift light will activate based on its pre-set or adjustable RPM threshold (refer to the manufacturer’s instructions for setting the shift light).

BENEFITS OF USING THE SPEEDHUT 4-1/2″ 4K RPM DASH MOUNT SHIFT-LIGHT TACHOMETER (R45-TC1-REV):

• Provides precise real-time monitoring of your engine’s RPM, crucial for maintaining optimal performance and preventing potential engine damage from over-revving.
• The built-in shift light offers immediate visual cues for optimal gear changes, maximizing acceleration and efficiency.
• Compatible with a wide range of engines using standard ignition systems, making it a versatile upgrade for various vehicles.
• Simplifies installation with straightforward dash mount design and included wiring harnesses.
• Enhances driving experience and contributes to improved engine performance and longevity.

FEATURES:

• Analog Display: Provides a classic and easily readable indication of engine speed.
• Internal Microprocessor: Ensures accurate and stable RPM readings.
• High-Torque Stepper Motor: Delivers precise and responsive pointer movement.
• Slim Case Design: Offers a sleek and unobtrusive aesthetic.
• Solid Aluminum Bezel: Provides a quality finish and added durability.
• Weather-Resistant Construction: Designed to withstand various environmental conditions.
• Spin-Lock Ring Mounting: Allows for quick and secure installation.
• Lifetime Warranty (Electronics): Offers long-term peace of mind regarding the gauge’s internal components.
• 5-Year Warranty (Hardware): Covers the physical components of the gauge.
• Made in America: Reflects a commitment to quality craftsmanship.