DAYUAN Cylinder Leak Down Tester Kit, Gasoline Engine leakdown Test Tool Dual Pressure Gauges Set Compression Leakage

Designed to detect a variety of common engine faults including: Worn piston rings, worn valves, cracks in cylinder walls and blown head gaskets. Suitable for use on any petrol engine with 10 or 12mm spark plugs. Tester checks the amount of leakage in an engine cylinder & helps determine the source. Ideal for testing trucks & late model cars where clearance is minimal.