Faria Chesapeake Black 4" Tachometer - 4000 RPM (Diesel) [33742] Marine Plumbing & Ventilation | Engine Cooling Pumps Hole Cut: 8-3/8"

Hole Cut: 8-3/8"

securely anchoring whatever it is you need to mount

belt or pack extremely easy so that the strobe light can be readily accessible the moment you need it

Flush Mount Enclosure with Nozzle

Securely holds everything - Anchor

Faria Chesapeake Black 4" Tachometer - 4000 RPM (Diesel) [33742] Marine Plumbing & Ventilation | Engine Cooling Pumps Hole Cut: 8-3/8"Chesapeake Black 4" Tachometer 4000 RPM (Diesel) (Mechanical Takeoff & Var Ratio Alt) Perimeter lighted Black dial with stylish Blue and White graphics, polished stainless steel bezel, contoured white pointer and domed glass lens. Electronic tachometers work by counting pulses generated by the ignition system, alternator, tach signal generator or magnetic pickup sender. The tach is hooked up to +12VDC, Ground and one of the signal sources listed