【Why Choose a Dual Hole Spark Plug Tester? 】 MR CARTOOL H90 Spark Plug Tester can simultaneously test new and old spark plugs. You can quickly identify the fault point by observing and comparing the ignition status of two spark plugs.
【Battery Clamp Design】MR CARTOOL H90 Ignition Coil Tester can be directly connected to a battery for testing without the need for a power outlet. Efficient and convenient.
【Supports Standard Spark Plugs and Longer Spark Plugs】Our spark tester tool not only supports standard spark plugs, but can also accommodate longer spark plugs used in BMW, Volkswagen, and Audi vehicles. The test socket of the spark plug tester adopts the knob type design, rotating the knob can adjust the height of the socket (8mm), to meet your needs for testing different spark plugs.
【500-9000rpm Adjustable Working Frequency】Our car coil tester comes with a knob to adjust the working frequency (500-9000rpm) according to the demand. It can simulate the actual engine working condition, which means you can know clearly the spark performance and firing strength of your spark plugs at different speeds. The higher the frequency, the stronger the spark intensity.
【HD Digital Display】Our ignition spark tester comes with a digital display screen and knob design, allowing you to visually see the speed range values and make precise adjustments. Different speeds correspond to different working conditions. It is made of ABS material and has good heat resistance and impact resistance.
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