1 Complete 14Piece Automotive Test Kit for engine compression and cooling systems Includes all components for testing engine compression and cooling systems, enabling thorough diagnostics of radiator and cooling components for proper maintenance and tasks 2 Efficient Vacuum Fill Kit for Radiators Includes a vacuum filling tool to remove air from the cooling system and refill it with coolant at the pressure, ensuring air bubbles do not affect engine cooling performance 3 Adjustable Pressure Tester with Multiple Adapters Features an adjustable pressure tester with a range of connector options, allowing compatibility with a wide range of vehicles including cars, trucks, and motorcycles; suitable for home garages or professional mechanics 4 Easy and Quick Diagnostics for Engine Systems The included compression tester lets users easily check the health of engine pistons and valves, providing clear insights into engine performance when used with the pressure tester Use scenarios and applications Home garage diagnostics and maintenance: perform compression tests and radiator service to verify engine and cooling system health before trips or after repairs Professional use: service multiple vehicle types with interchangeable adapters, enabling rapid crossvehicle diagnostics of compression and cooling systems Preventive seasonal maintenance: identify potential engine and cooling issues early and verify radiator and cooling performance during routine servicing Key benefits Comprehensive, allinone kit for engine compression and cooling system testing Broad vehicle compatibility through multiple adapters and connectors Vacuum fill capability to remove air and ensure proper coolant refill at correct pressure Quick, actionable diagnostics for pistons, valves, and overall engine performance Designed for both home garages and professional service environments