Faria Coral 4" Tachometer 6000 RPM (Gas) (Inboard and I/O) Deluxe arms are used on

Deluxe arms are used on Standard and Heavy-Duty motors

Just be sure to test a small area first to be sure FSR will not damage finish

Not for: Chrome

Two 6" LED Harnesses

contoured White pointer and domed glass lens

Faria Coral 4" Tachometer 6000 RPM (Gas) (Inboard and I/O) Deluxe arms are used onCoral 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: