Tuned By Nishan discusses why setting the proper spark plug gap is so important and that you should NEVER just open up a box of spark plugs and install them into your engine. You must make sure that the spark plug gap is set properly for your APPLICATION and Power Levels. Consult with your tuner about the proper gap setting for your vehicle's setup and power goals. http://www.tunedbynishan.com/ http://www.facebook.com/tunedbynishan http://www.instagram.com/tunedbynishan