Faria Beede Instruments 2 Inch Cummins Hourmeter Euro Black with Black Bezel – 961110

2″ – Hole size: 2.0625″ (53mm) Hourmeter operates by applying battery voltage across the gauges’s register motor to ground. The register increments increase when the key switch in on. Route power through a normally open Oil Pressure switch to count “engine running” hours.Features: Black Bezel Euro Black