Compression tester to suit a wide variety of petrol engines with 10, 12, 14 and 18mm spark plug threads. AB31-38, AB41-56, BT, FK17-21, G83, GY, HS01-09, IM, IV, JE, KA27-28, KW0-99, PA20-99, PH15-99, TR21-25, ZE.
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