Engine Compression Leakage Leakdown Detector Cylinder Leak Tester Tool Kit Set Engine timing tool parts include timing chain kit, cam lock tool, camshaft setting plate. Timing Parts and other performance auto parts come with price match guarantee. Get the best deal on tuning car parts here. Specification: To check leakage amount in 4-stroke engines To detect engine faults like cylinder head cracks,worn valves or piston rings Display percentage of cylinder leakage & pressure Package Includes: Engine Cylinder Leak Tester Kit Gauge Scale: 0-100PSI in 5% increments Spark Plug Adapters: 10mm, 12mm,14mm Metric Adapter: M12x1.25, M14x1.5 2-1/2" input pressure gauge