Faria Chesapeake Black SS 4" Tachometer w/Systemcheck Indicator - 7000 RPM (Gas) f/ Johnson / Evinrude Outboard) [33750] Brand_Ancor A pressure gauge operates by

A pressure gauge operates by sending a low amperage current through the gauges' meter to ground via a sending unit with variable resistance

6" (15 mm)

Width: 4" (10

Box Dimensions: 6"H x 6"W x 7"L WT: 2

The pumps are delivered including both a straight and a 90 degree smooth elbow Dura-Port as well as a removable check valve

Faria Chesapeake Black SS 4" Tachometer w/Systemcheck Indicator - 7000 RPM (Gas) f/ Johnson / Evinrude Outboard) [33750] Brand_Ancor A pressure gauge operates byChesapeake 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.