What spark plugs gap should I use? Matt May 23, 2018 16:04 Follow In most cases, the stock spark plug gap will work great. For heavily modified motors, consult with your engine builder for their recommendations, as incorrect spark plug gap may result in a loss of performance or severe engine damage. Related articles What type of spark plug wires should I use? Dynatek Downloads What coils should I use? What type of spark plug wires should I use? If my particular model is not listed in the applications section, can I adapt one to my model? Comments 0 comments Please sign in to leave a comment.