Cyberdyne Gauges Digital Prism Gauge Water Temperature 2 1/16' Dia B220e460y. Boxed Tracker Deluxe Tubing Steering Console 178289 Ski Feet Kt9794 Instrument Spun Sw Ig1526a Function Winns Kysor Tachometers Gauges Panel Marine Boat Faria Instrument Tach Engine Speed Dash Fuel Console Inboard Gauge Mercury Temp Volvo Made Steering Diesel. Find Cyberdyne Digital Prism Tachometer Gauges and get Free Shipping on Orders. Cyberdyne Gauges BC255E461N - Cyberdyne Digital Prism Tachometer.