Seller notes

The working principle of MRCARTOOL H90 car spark plug tester is to test the performance of the spark plug by simulating the work of the engine. Suitable for spark plugs of most 12V gasoline cars.By comparing the spark intensities of the two spark plugs,judge the performance and ignition intensity of the spark plugs,and replace the broken spark plugs in time. Spark plug tester has two spark plug socket, you could compare and test to make an accurate judgment at the same time.Features:1.【Simulat...

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