Speco Thomas for Automotive Products
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1 ½" and 2" Sports Series Gauges
Suited to vehicles powered by rotary, 4, 6 and 8 cylinder engines


512-15 mechanical fuel pressure gauge 512-16 0-15 psi liquid filled mechanical fuel pressure-carburettors gauge 512-20 mechanical fuel pressure gauge 512-21 0-100 psi liquid filled mech fuel press, chrome housing
512-15:
1 1/2" 0–15 psi mechanical fuel pressure for carburettor vehicles.
White dial, chrome housing.
512-16:
1 1/2" 0–15 psi liquid filled mechanical fuel pressure for carburettor vehicles.
White dial, chrome housing.
512-20:
1 1/2" 0–100 psi mechanical fuel pressure for electronic fuel injection vehicles.
White dial, chrome housing (shown with black rubber boot surround).
512-21:
1 1/2" 0–100 psi liquid filled mechanical fuel pressure for electronic fuel injection vehicles.
White dial, chrome housing.
524-04 vac/boost gauge. Silver dial, silver bezel. 30–0–30 psi. 524-05 boost gauge (no vac). Silver dial, silver bezel. 30–0–30 psi. 524-06 fuel gauge. Silver dial, silver bezel. 524-07 fuel pressure gauge. Silver dial, silver bezel. 15 psi.
524-04:
2" 30 Hg to 30 psi vac/boost gauge.
Silver dial, silver bezel.
524-05:
2" 30 psi boost gauge (no vac).
Silver dial, silver bezel.
524-06:
2" fuel.
Includes sender.
Silver dial, silver bezel.
524-07:
2" 15 psi fuel pressure.
Silver dial, silver bezel.
524-15 oil temperature gauge. Silver dial, silver bezel. Mechanical 50–150 deg C. 524-16 oil pressure gauge. Silver dial, silver bezel. Mechanical 100 psi. 524-20 oil pressure gauge. Silver dial, silver bezel. Electric 100 psi. 524-21 oil temperature gauge. Silver dial, silver bezel. Electric 50–100 deg C.
524-15:
2" 50–150ºC mechanical oil temperature.
Silver dial, silver bezel.
524-16:
2" 100 psi mechanical oil pressure.
Silver dial, silver bezel.
524-20:
2" 100 psi electrical oil pressure.
Includes sender.
Silver dial, silver bezel.
524-21:
2", 50–100ºC electrical oil temperature.
Silver dial, silver bezel. Fitting kit included.
524-22 voltmeter. Silver dial, silver bezel. 8–16 volts. 524-23 water temperature gauge. Silver dial, silver bezel. Mechanical 40–120 deg C. 524-23a water temperature gauge with adaptors. Mechanical 40–120 deg C. 524-30 water temperature gauge. Silver dial, silver bezel. Electric 40–120 deg C.
524-22:
2" 8–16 volt voltmeter.
Silver dial, silver bezel.
524-23:
2" 40–120ºC mechanical water temperature.
Silver dial, silver bezel.
524-23a:
2" 40–120ºC mechanical water temperature, with four adaptors.
Silver dial, silver bezel.
524-30:
2" 40–120ºC electrical water temperature.
Silver dial, silver bezel.
524-40 air fuel ratio gauge 524-41 one wire oxygen sensor 524-51 ammeter. Silver dial, silver bezel. 60–0–60 amps. 525-00 temperature gauge
524-40:
2" air fuel ratio gauge
white dial
For use on cars with one, two, three or four wire oxygen sensors, running on unleaded petrol. Not recommended for cars running on leaded petrol. Can also be used on pre-EFI vehicles by matching with the 524-41 oxygen sensor.
524-41:
2" one wire
oxygen sensor, complete with weld nut for connection to exhaust pipe.
524-51:
2" 60–0–60 amps ammeter.
Silver dial, silver bezel.
525-00:
2" 0–1600 deg F Exhaust temperature gauge (Pyrometer)
Silver dial, silver bezel.
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