This compression tester measures cylinder compression to accurately diagnose engine leaks from rings, burnt valves and blown head gasket. This tester has a quick disconnect coupler that separates the hose from the gauge for faster, easier connections to the engine. Also included are a push-button side release valve that allows repeated testing without disconnecting. It is compatible with all standard spark plug threads. It includes a comprehensive user manual with illustrated step-by-step automotive test procedures.
- Includes adapters for 10mm, 12mm, 14mm, 14mm long reach, and 18mm standard spark plug threads
- Storage pouch keeps parts organized and repair kit includes valves and rubber O-rings
- Bourdon tube provides accurate readings and has 2-1/2 professional gauge
- Heavy-duty rubber boot protects gauge