Features:

• 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