Motion Pro, the market leader in MX and Motorcycle tools have developed the most accurate Leak Down Tester on the market. For engine builders and tuners, and even home mechanics there really is no other option. Features:   Accurately displays the total percentage of leakage past the rings, head gasket, intake and exhaust valves Speeds up troubleshooting and helps to isolate bad components Precision digital display provides accurate, easy to read results Easy to use precision pressure regulator built into body of tool Rugged rubber boot protects digital gauges Tests at 80, psi cylinder pressure. Requires 90 PSI air source. Includes 1/4"" 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 mm, 12 mm, 14 mm spark plug threads Includes convenient molded tray and instructions
