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Measuring a spark plug to determine repair insert size - Help with stripped sparkplug threads
WiseAutoTools.com Summary: We cover how to check the spark plug size, to help determine which is the correct repair insert for fixing stripped spark plug threads. We explain how to measure the diameter, thread pitch and reach as well as an easy way to determine the seat type. All important factors when choosing a thread repair insert and kit for repairing blown out spark plug threads. The simplest way to determine the size is to look up the spark plug for your vehicle on a parts store website an
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10th Oct 2021