ELING Marine GPS Speedometer Speedo Gauge 35MPH with Backlight for Boat Yacht Ship Vessel 3-3/8'' (85mm) 12 24 Volt (LED Shows Course not Odometer)

Cut an 85mm (3 3/8) hole in the panel and allow a clearance of 70mm (2 3/4”) behind the panel to fit the gauge. Put the gauge in the hole. Using M4

ELING 3 3/8 85mm Digital GPS Speedometer LCD Speed Oman

Marine GPS Speedometer 0-35Knots 0-70Knots 85mm Speed Odometers

Eling ATV Car Boat GPS Speedometer Velometer 0-35MPH 0-55km/h Odometer Gauge Kit with Odo Course TRIPMETER 85mm 3 3/8 12V 24V

ELING IP67 Waterproof 85mm GPS Digital Speedometer Kit

ELING 85mm Marine Auto GPS Speedometer Odometer 35 MPH 50 km/h

ELING 85mm Waterproof GPS Speedometer 0-60 MPH Speed

Geloo 85MM Boat GPS Speedometer Gauge 35 MPH 50 km/h

ELING 2 Digital GPS Speedometer Odometer with Red

Motor Meter Racing W Pro 85mm 3-3 8 GPS Speedometer Digital Odometer with Sensor 80 MPH Waterproof Black Dial White LED for Car at MechanicSurplus.com

ELING 85mm Waterproof GPS Speedometer 0-60 MPH Speed

ELING 85mm Waterproof GPS Speedometer 0-60 MPH Speed

Eling Marine Auto GPS Speedometer Speedo Velometer 0-35MPH 0-55km/h Odometer Mileage Backlight 85mm

Marine GPS Speedometer 0-35Knots 0-70Knots 85mm Speed Odometers