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This tool is a must for mechanics who require accurate, consistent pressure readings for combustion chamber compression tests. The Compression Tester is custom designed with a 2-1/2" dial for easy reading, quick-disconnect fittings and a pressure release for maintaining readings as long as needed. Screw-in adapters fit both 14mm and 18mm spark plug holes. The braided hose fitting has been extended allowing easier access for the hard to reach spark plug holes. Also includes a versatile quick-check straight adapter.
Mityvac 05520 Compression Tester
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