2 5/8 " Pro Series Gauges
Suited to vehicles powered by rotary, 4, 6 and 8 cylinders

537-03:
2 5/8", 30 HG – 20 PSI vac/boost
White dial, silver bezel

537-04:
2 5/8", 30 HG – 30 PSI vac/boost
White dial,silver bezel

537-06:
2 5/8", fuel gauge and sender
White dial,silver bezel

537-07:
2 5/8", 15 PSI fuel pressure
White dial,silverbezel

537-10:
2 5/8", 30 HG vacuum
White dial, silver bezel

537-15:
2 5/8", 40–170ºC mech oil temperature
White dial, silver bezel

537-16:
2 5/8", 100 PSI mech oil pressure
White dial,silver bezel

537-20:
2 5/8", 100 PSI elect oil pressure
White dial,silver bezel

537-22:
2 5/8", 10–18 voltmeter
White dial,silverbezel

537-23:
2 5/8", 40–140ºC mech water temperature
White dial, silver bezel

537-30:
2 5/8", 40–120ºC elect water temperature
White dial, silver bezel

537-51:
2 5/8", 60–0–60 ammeter
White dial,silver bezel