New Leak Down Tester Tu-21 Engine Cylinder Leak Tester Leakage Detector Engine Compression Tester Gauges Set

Key features

• FITS YOUR VEHICLE -- It is compatible with gasoline 4-stroke engines and 12mm or 14mm spark. As long your vehicle has a standard spark plug socket, this set will work for you.
• COMPARE CYLINDERS -- It best tests cylinder leak down and compression when comparing a suspect cylinder to a known good cylinder on the same engine.
• EASY TO USE -- Remove the Schrader valve and turn the regulator off before applying shop air. Install the hose to the cylinder, the unit to an air supply, calibrate the leak gauge, and connect the unit to the cylinder hose. Diagnosis is made by observing the amount of leakage indicated on the cylinder leakage gauge and listening for leakage at various points of the car system.
• 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, 12 or 14mm 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.