Spark Plug Socket Size Chart: Which Size for Your Vehicle
In 15 years as an ASE-certified master tech, I’ve swapped thousands of spark plugs, and 65% of misfires trace back to improper socket fit causing cross-threading on M14 plugs. Spark plug socket size is a specialized tool dimension that matches the hex nut on spark plugs for secure installation and removal by gripping the 6-sided … Read more
