745648 Sonic Equipment Compression Test Kit

This Sonic Equipment compression tester is a vital diagnostic tool for evaluating the internal health of a Harley-Davidson V-Twin engine. It allows mechanics to identify worn piston rings, burnt valves, or failing head gaskets by measuring cylinder pressure up to 300 PSI. The kit includes a 40cm flexible hose and a variety of adapters for 10mm, 12mm, 14mm, and 18mm spark plug holes, ensuring compatibility with various cylinder head designs. Housed in a protective case, the set also features straight and 45-degree connectors and a push-button pressure release for efficient, repeatable testing.