Mercury – Tachometer 7K | Engine Speed Monitoring | Black Face | Chrome Bezel | 79-8M6020002Mercury Tachometer 7K Engine Speed Monitoring Black Face Chrome Bezel 79 8M6020002 OverviewThis 7,000 RPM tachometer gives you a steady, natural read on how the engines running, even when the water gets a little messy. The needle doesnt twitch or bounceit settles into a smooth swing that matches what youre hearing from the motor. On the water, it becomes a quick, easy check: glance down, grab the number, and youre right back to driving. Its a simple,