【Spark Plug Tester for Simultaneous Dual-hole Testing】 The automotive spark plug tester has two test holes, which can perform dual-hole simultaneous testing. Suitable for spark plugs of most 12V gasoline cars.
12V Car Spark Plug Tester Ignition Analyzer Diagnostic Tool Dual Hole Tester
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Car Dual Hole Spark Plug Tester Auto Gasoline Ignition Plug Diagnostic Tool 12V
