Digital Petrol Engine Cylinder Compression Pressure Tester Gauge Set 0~426.6psi
And PT610 can storage 6 cylinders' pressure data in maximum for your comparision and detection. Throttled-wide open, press the connector of the pressure gauge onto the spark plug hole, or remove the spark plug and select a suitable adapter, connect the adapter to the installation position of the spark plug, confrm that the pressure gauge, adapter and spark plug interface are installed tightly without leakage.