This is a Vintage, NOS Stewart Warner Lighted Gauge Cluster Package w/Instructions. It includes the Stewart Warner battery, alternator voltage gauge; engine oil pressure and water temperature gauges with “SW” indication on the gauge face. The engine oil gauge is calibrated in both PSI and kPa and the water gauge is calibrated in both Fahrenheit and Celsius. It can be mounted under the dash board or on the top of the dashboard using the factory bracket shown. The housing measurers 8” x 2.75.”