4-Stroke Leak Down Tester

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  • Designed to check the amount of combustion chamber leakage in a 4-stroke engine
  • Speeds up troubleshooting and 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​" male industrial quick connector
  • Meets FAA leak-down test specifications for cylinders below 5" (127mm) bore diameter
  • Hose and adapter fits 10, 12, and 14mm spark plug threads
  • Includes high-quality regulator and gauge
  • Includes convenient molded tray
  • Instructions included