Kronos Boxed Set of 6 Gauges f/ Inboard Motors. Packaged and ready for the display counter. This 6 gauge boxed set offers a complete set of gauges ready to install. Inboard Motors Boxed Set Includes. Speedometer (0 to 60 MPH) (Pitot). Tachometer (0 to 6000 RPM). Fuel Level (E to F). Voltmeter (10 to 16 AMPS). Water Temp (100 to 250° F). Oil PSI (0 to 80 PSI). Gauge Covers not Included.