PRODUCT SPECIFICATIONS:
The Jimy Tools Compression Tester is designed to accurately measure cylinder compression, helping diagnose engine performance issues such as worn piston rings, valve leakage, or head gasket failure. Featuring a clear gauge reading from 0–300 PSI, this tester includes adaptors to suit 14 mm and 18 mm spark plug threads, making it compatible with most petrol engines. A built-in release valve allows quick pressure reset between tests, while the heavy-duty hose and brass fittings ensure reliable, leak-free performance in workshop environments.
Key Features
- Measures cylinder compression from 0–300 PSI (0–21 kg/cm²)
- Includes adaptors for 14 mm & 18 mm spark plug holes
- Pressure release valve enables quick gauge reset
- 300 mm flexible hose for easy access in tight engine bays
- Premium hose manufactured by Yokohama for durability
- Heavy-duty crimped hose fittings prevent air leakage
- Solid brass components for long service life
- Ideal for diagnosing engine condition and performance issues
Essential for mechanics and DIY users performing accurate engine diagnostics and maintenance.




































