Adaptor for spark plug M12 x 1.25 mm. Threaded female internally 14x1.25 to fit the majority of existing compression tester hoses.
Compression Tester Spark Plug Adaptors 10 and 12 mm
Compression Tester Spark Plug Adaptor 10 mm
Performance Tool W80577 Compression Tester Spark Plug Adapters Set
Spark Plug Tester Diagnostic Spark Plug Tester Spark Plug Detector Tester for
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Brand New Compression Tester /SPARK TESTER
