4-gauge with: 60 MPH Speedometer with Pitot and Hose 7000 RPM universal Outboard Tachometers 10-16 vDC Voltmeter Fuel Level Gauge Approx. Cut out sizes for Gauges: 3 3/8" for RPM Tach and Speedometer 2 1/16" for fuel, voltmeter, oil pressure, water temp