This Engine Compression Pressure Tester Kit includes everything you need to check valves and rings, perform carbon buildup inspection and test for late timing on a wide range of vehicles.

• Check valves and rings, perform carbon buildup inspection, and test for late timing

• Adapters for a wide number of vehicles M10.M12, M14, M16, M18

• Accuracy +/- 1.6%, 3-1/2" gauge has dual color scale from 0 to 300 PSl