• This comprehensive gasoline engine compression test kit features an electronic tester that memorizes the peak compression value for each cylinder
• When testing is complete, the values can be quickly reviewed at the push of a button
• Everything is included to perform wet and dry compression tests commonly used to detect ring or cylinder head problems, sticking valves, blown head gasket(s), and more
• Includes adapters for use on motorcycles and marine and small engines, and an air-hold adapter for performing valve seal repairs without removing the cylinder head(s)
• Stores maximum compression value for up to 12 cylinders
• Backlit LC display is easy to read from any angle and in any light
• Uses standard 9V battery for convenience and cost
• Automatically shuts off after 3 minutes of non-use (memory is retained)
• Rubber boot protects the gauge from bumps and drops
• Sealed, grease- and oil-resistant gauge face prevents contamination of electronics
• Displays values in PSI, Bar, and kPa