Pqy Universal Spark Plug Gap Tool For Most 10mm 12mm 14mm 16mm Spark Plugs

Simple steps for easy installation: 1. Simply place your spark plug into the gap tool. 2. Use your desired size feeler gauge for gap thickness. 3. Turn the knob with the feeler gauge in place till the side electrode compresses to the desired gap thickness. Please note that will vary on every spark pl