Coral 4" Tachometer 6000 RPM (Gas) (Inboard and I/O)
Perimeter-lighted Black dial with stylish White and Blue graphics, Black aluminum bezel with burnished leading edge, contoured White pointer, and flat glass lens.
Electronic tachometers work by counting pulses generated by the ignition system, alternator, tachometer signal generator or magnetic pickup sender. The tachometer is hooked up to +12 VDC, Ground and one of the signal sources.
4"- Hole Size: 3.375" (85mm)
Factory P/N GP9273
*Sold as an Individual
**Gauge Cover not Included