Standard 4 Stroke Leak Down Tester

  • Designed to check the amount of combustion chamber leakage in a 4-stroke engine
  • Speeds up troubleshooting & helps to isolate bad components
  • Gauge accurately displays the total percentage of leakage past the rings, head gasket, intake and exhaust valves
  • Tests at 80 psi cylinder pressure; minimum air source of 90 psi required
  • Includes 1/4 inch male industrial quick connector
  • Meets FAA leak down test specifications for cylinders below 5.00 in. (127 mm) bore diameter
  • Hose and adapter fits 10, 12, and 14 mm spark plug threads
  • Includes high-quality regulator and gauge
  • Includes convenient molded tray
  • Instructions included


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Part No. 08-0678

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WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For further information, go to


Instructions 08-0678, Standard 4 Stroke Leak Down Tester

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