These instruments were developed by SO-CAL Speed Shop. The mechanical 3-3/8-inch 200 mph speedo,3-3/8-inch 10,000 RPM,tachometer electric oil pressure gauge, electric water temperature gauge, volt meter and electric fuel gauge can be purchased as a set or sold individually. (see below related products.)
Auxiliary gauges are all 2-1/16-inch diameter but are referred to as 2-inch
All instruments have black faces with a small SO-CAL logo, chrome bezels and domed glass.