Faria Chesapeake Black SS 4" Tachometer w/Systemcheck Indicator - 7000 RPM (Gas) f/ Johnson / Evinrude Outboard) [33750] Brand_Ritchie they are the perfect retro-fit

they are the perfect retro-fit item

UPC: 611679247056

DSC (1% BER): More than 68 dBμ emf

When connected with the second-station handset

UPC: 753759991173

Faria Chesapeake Black SS 4" Tachometer w/Systemcheck Indicator - 7000 RPM (Gas) f/ Johnson / Evinrude Outboard) [33750] Brand_Ritchie they are the perfect retro-fitChesapeake Black SS 4" Tachometer w Systemcheck Indicator 7000 RPM (Gas) (Johnson Evinrude Outboard) Perimeter lighted Black dial with stylish Blue and White graphics, polished stainless steel bezel, contoured White pointer and domed glass lens. 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.