Land Rover oil pressure gauge PRC3122 - PRC7320, 12 volt 0-60 used on 90-110 and V8 up,to 1994, NEW stock Smiths made in UK Oil pressure gauge 2" (50 mm) Diameter 12 volt - Landrover number PRC 3122 NOS, this gauge was superceded to PRC7320. some info say 24 volt! we don't know 12 volt is on the gauge manufactures label,
Genuine Smiths Industires