NEW-OLD STOCK TELEFLEX (VEE THREE) WHITE / GRAY 6 GAUGE SET.  UNIVERSAL for ANY BOAT. This is a New-old stock gauge and never installed on a boat.  Universal in function for any boat.  12 volt.  

White face with gray plastic bezels

GAUGES INCLUDED: 35 MPH pitot style speedometer, 8000 RPM Tachometer, 80 PSI oil pressure and 240 degree engine temperature, Volt, and Trim (calibrated for Mercury / Mercruiser)

TACHOMETER HAS SETTINGS FOR 4, 6, 8 cylinder gas engines OR 4, 6, 8, 10, and 12 pole outboards

Small gauges measure - OD of the bezel is 2-1/4" and the hole size needed in your dash is 2".  

Speedometer and Tachometer - OD is 3-3/4" and fits in a roughly 3-3/8" dash hole