Description
Part Number: 3978
AutoMeter Sport-Comp 5″ Electronic Tachometer & Speedometer Combo Gauge
Save valuable dashboard space while maintaining maximum instrumentation clarity with the AutoMeter Sport-Comp 5-inch dual gauge combo.
Key Features
- ☑ Dual Functionality: Integrates a precise 0-8,000 RPM tachometer and a 0-160 MPH speedometer into a single 5-inch housing.
- ☑ Broad Compatibility: Speedometer works with standard vehicle speed sensors or GPS senders; tachometer supports 1-12 cylinder engines with points, electronic, or 12V ignitions.
- ☑ Simple Calibration: Push-button 2-mile drive calibration eliminates dip switches for easy gear ratio and tire diameter setup.
- ☑ Classic Sport-Comp Styling: Matte black face, high-contrast white numerals, vibrant red pointers, and a brushed aluminum bezel.
- ☑ Perimeter Lighting: Traditional incandescent perimeter lighting with red and green bulb covers included for custom backlighting.
| Brand | AutoMeter |
|---|---|
| Manufacturer Part Number | 3978 |
| Gauge Series | Sport-Comp |
| Gauge Type | Electronic Tachometer & Speedometer Combo |
| Gauge Size | 5″ (127mm) |
| Mounting Hole Diameter | 4-5/8″ (117.5mm) |
| Speedometer Range | 0 – 160 MPH |
| Tachometer Range | 0 – 8,000 RPM |
| Engine Compatibility | 1 to 12 Cylinders (0.5 – 6 pulse ignition signals) |
| Face / Bezel Finish | Black Dial / Brushed Aluminum Bezel |
| Illumination | White Incandescent (Includes Red & Green Covers) |
What’s Included in the Box
- AutoMeter 3978 5″ Sport-Comp Tachometer & Speedometer Combo Gauge
- Bulb and Socket Assembly with Red & Green Bulb Covers
- Mounting Bracket & Attachment Hardware
- Detailed Installation Manual
Built with race-proven air-core movement and precision electronic circuitry, the AutoMeter 3978 delivers unmatched durability and rapid response times. Order from JP Racing today for fast UK delivery, expert technical support, and authentic high-performance motorsport instrumentation.
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