Engine Cylinder Leak Down Tester Kit Features and Benefits Accurately identifies common internal engine faults such as piston ring wear, cylinder head cracks, valve wear, and head gasket seal failures. Measures the level of air leakage in each engine cylinder and pinpoints the exact location of the problem, helping you address issues before they lead to costly repairs. Ideal for both professional mechanics and dedicated vehicle owners who want a reliable diagnostic tool for engine performance checks. Function and Performance Designed for use with fourstroke engines, including those in trucks and models with minimal clearance. Works by connecting the tester to an engine cylinder and introducing compressed air at 45100 psi through a builtin pressure regulator. The cylinder leakage gauge shows the leakage percentage, while sound checks at various points on the engine help locate the source of the leak. Not suitable for use with shallow cylinders. Included Accessories and Build Complete with all connectors and fittings for quick setup. Comes in a durable, wellorganized carrying case that keeps the kit protected during storage and transport, reducing the risk of damage or missing pieces. Practical Applications 1. Troubleshooting performance issues in a work truck before a longhaul trip to prevent roadside breakdowns. 2. Verifying the condition of a used vehicle's engine before , ensuring a sound investment. 3. Pinpointing the source of loss in compression during professional engine rebuild or maintenance work in a workshop setting. This leak down tester kit offers accurate, reliable diagnosis for various types of fourstroke engines, saving time during inspection and helping ensure engines run at their .