Specifics and features: The 46PCS Petrol & Diesel Engine Compression & Leakage Test Kit is a comprehensive toolset for diagnosing engine performance. It enables compression and leakage tests on both petrol and diesel vehicles, covering a wide range of modern engines. With sturdy dual – movement gauges for accurate readings, various adapters for different engine types, and a durable carrying case, it’s ideal for precise engine diagnostics. .