CHECK THIS OUT! This video demonstrates step-by-step how to repair your spark plug thread on a snowblower engine, the same applies for other applications. This ariens in particular the client went to replace the spark plug, only to start the plug crooked and stripped out the threads. Stock thread size and pitch of this spark plug is 14x1.5mm, and you'll find this repair kit at your local autoparts store. How the tap that I have works is it is going to tap the stock size, and then cut into and re