- Measures the ability of an engine cylinder to hold compressed air using shop air pressure and supplements a compression tester.
- Zeros in on the exact problem if there is poor engine performance.
- Pinpoints bad valves, worn rings, cracked cylinder walls, and blown head gaskets.
- Features a precision regulator with a combination M14 and M18 adapter on 26 hose assembly and has dual easy-to-read gauges which allows the mechanic to monitor input air-line pressure.
- Leak down tester
- Made in USA
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