Speco Thomas for Automotive Products
National Auto Parts Depot are now the proud owners of the Speco brand. Effective 1st April 2026 we are processing and shipping orders from the Moorabbin location. For orders call: (03) 9357 6100 or email: sales@naparts.com.au . Home Page

Speco Meter logo
2 5/8" Pro Series Gauges
Suited to vehicles powered by rotary, 4, 6 and 8 cylinder engines


537-03 30 HG – 20 psi vac/boost gauge 537-04 30 HG – 30 psi vac/boost gauge 537-06 fuel gauge 537-07 fuel pressure gauge
537-03:
2 5/8" 30" to 20 psi vac/boost.
Fitting kit included.
White dial, silver bezel.
537-04:
2 5/8" 30" to 30 psi vac/boost.
Fitting kit included.
White dial, silver bezel.
537-06:
2 5/8" 12 volt electrical fuel.
Fitting kit included.
White dial, silver bezel.
537-07:
2 5/8" 0–15 psi fuel pressure.
Fitting kit included.
White dial, silver bezel.
537-10 fuel pressure gauge 537-15 mechanical oil temperature gauge 537-16 mechanical oil pressure gauge 537-17 mechanical oil pressure gauge, 12' line
537-10:
2 5/8" 0–30 HG vacuum.
Fitting kit included.
White dial, silver bezel.
537-15:
2 5/8" 40–170ºC mechanical oil temperature.
Fitting kit included.
White dial, silver bezel.
537-16:
2 5/8" 0–100 psi mechanical oil pressure.
6' capillary.
Fitting kit included.
White dial, silver bezel.
537-17:
2 5/8" 0–100 psi mechanical oil pressure.
12' capillary.
Fitting kit included.
White dial, silver bezel.
537-20 elecric oil pressure gauge 537-22 voltmeter 537-23 mechanical water temperature gauge 537-23a mechanical water temperature gauge with 4 adaptors
537-20:
2 5/8" 0–100 psi electrical oil pressure.
Fitting kit included.
White dial, silver bezel.
537-22:
2 5/8" 10–18 volt voltmeter.
Fitting kit included.
White dial, silver bezel.
537-23:
2 5/8" 40–140ºC mechanical water temperature.
6' capillary.
White dial, silver bezel.
537-23a:
2 5/8" 40–140ºC mechanical water temperature.
Includes four adaptors.
White dial, silver bezel.
537-30 40-120 deg C electric water temperature gauge 537-51 ammeter    
537-30:
2 5/8" 40–120ºC electrical water temperature.
Fitting kit included.
White dial, silver bezel.
537-51:
2 5/8" 60–0–60 ammeter.
Fitting kit included.
White dial, silver bezel.
   
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