Sonic 8pc Compression testkit

The Sonic Equipment compression tester features a universal quick connect to easily reach sparkplug ports. A quick and easy way to diagnose worn piston rings, burned valves and bad head gaskets. Comes with a case for easy organization and storage. Includes 40cm (9.44") flexible hose, straight and 45°C bend 13cm (5.1") connectors and adapters for use in 10, 12, 14 and 18mm spark plug holes. Has 0-300 PSI pressure range and push button pressure release.