Motion Pro Standard 4-Stroke Leak Down Tester

- 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 regulate and gauge
-Includes convenient molded tray
-Instructions included
- 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