UMA 3-1/8 Electric Tachometer 0-7000 RPM FOR Rotax 912 914

3-1/8" NON-TSO Tachometers With Built-In Hourmeter (Starts @ 1800rpm And Above) Weight: 9.0 Oz. Case:ABS Valox 420 Plastic

Dimensions: 3.5X3.5X4.5