Cylinder Pressure Tester Set, Katsu 450846

Ideal for gasoline engines 4 6 8 cylinder

Checks valve and rings Detects excessive carbon and late timing Includes 2 adapters( M14x 1.25 and M18 x 1.5) to test more vehicle

Rubber Cover Protection 2-1/2″ diameter gauge with dual-color scale (0-300 PSI & 0-21 BAR)

Screws into spark plug hole to test cylinder

Compression on internal combustion gasoline engines.