Seller notes

【Dual Holes Automotive Spark Plug Tester】 The spark plug tester has two test holes, which can test and compare brand new spark plugs and spark plugs at the same time. By comparing the ignition intensities of the two spark plugs, you can assess the performance and ignition intensity of the spark plugs and replace the defective spark plugs in good time. 【0~6000rpm Adjustable working frequency】 The spark plug tester can truly simulate the working conditions of the engine and can detect the ...

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