• Designed to check the amount of cylinder leakage in a 4-stroke engine
• With an air source of 70 to 150 psi. This system will pressurize the cylinder with 60 psi. of air
• Gauge will register the total percentage of leakage past the rings, head gasket, intake and exhaust valves • 10, 12, 14 & 18mm spark plug thread hoses, regulator and gauge included
• Speeds up troubleshooting & helps to isolate bad components • Includes convenient carrying box