*FUNCTIONS: TEST CYLINDER COMPRESSION --- This cylinder compression tester kit is used for testing pressure on petrol engine cylinder quickly and accurately. The gauge readings assist to diagnose if there are following problems: valve sticking, carbon build-up, cracked cylinder head or defective main gasket, poorly seated or worn piston rings, burned or damaged piston.

*APPLICATIONS: PETROL ENGINE CYLINDER --- Come with different sizes rotary and push on adapters, widely suitable for most types and depth spark plug well on petrol petrol gas fuel engine cylinder, which is common in motorcycle, car, truck, lawn mower, ATV and so on. NOT FOR DIESEL ENGINE.

*UNIVERSAL: INCLUDE 10 CONNECT ADAPTERS --- 11-in-1 engine tester gauge kit includes 1-piece spring buckle gauge; 5-pieces brass adapters M10X1.0, M12X1.25, M14X1.25, M16X1.5, M18X1.5, for wide applications; 2-pieces straight and angled bar for direct testing; extra long 23.5cm extension bar and 43cm extension hose and 38cm extension hose with straight bar for long reach testing.

*RELIABLE: STABLE QUALITY TESTER GAUGE --- Max 300PSI or 21(kg/c㎡)BAR dual pressure units with easy to read colored and large dial, acrylic glass gauge cover with anti-scratch coating and metal protective cover for outstanding shock-absorption performance. Build-in check valve with pressure-maintaining function, ensure the gauge gets max pressure at the spark plug during compression.

*Service: If there is anything about this product that makes you unsatisfied, we provide warranty, return and exchange service, and the package contains detailed operating instructions.

*Coming with carrying case, you can easily organize every piece of this set in an orderly manner, ready for your next job. The kit can also be protected during storage to avoid damage or loss.