Twin Disc MG 506 Marine Transmission Parts - Overhaul Plate Kit Section

For gears with the following ratios: 1.50 to 1, 1.97 to 1, 2.50 to 1

2 Inch diameter with 0 to 400  PSI range, with light bulb. Requires sender in picture 4 to operate

For 12 and 24 volts marine transmission gauges.  2 contact points. 1/8 X 27 npt. Requiered for gauge in picture 3.