Check the listing for details. Engine Cylinder Dual Gauge Leakdown Tester kit Diagnostics Tool. Condition: New. Listed at 28.90 USD. Designed to detect and quickly diagnose a variety of common engine problems such as bad piston rings, bad cylinder head valves and leaking head gaskets. Easily identify the source of compression problems by doing cylinder leak-down test. Comes complete with adapters for most common applications. Heavy duty 2 1/2'' rubber protected gauge scales 0 To 100 Psi In 2 Psi Increments 0-7 Bar In 0.2 Bar. Suitable for use on any petrol engine with 12 or 14mm spark plugs. Essential for testing compression leaks in motorcycles, ATV, UTV, scooters, lawn mowers, snowmobiles, cars, trucks & late model cars where clearance is minimal. Air pressure: 0-7 BAR, 0-100 PSI Brass fittings measures leak percentage from 0-100% 1/8" NPT manifold ports. Kit includes: Female quick connector. Metric adapter M12x1.25(with O-ring). Metric adapter M14x1.5(with O-ring). Extension hose. Gauge base. 2 1/2'' leakage gauge. 2 1/2'' pressure gauge. Male extension w/ quick connector. Regulator. Adapter hose (installed). Includes convenient hard case with basic instructions.