The Lisle Deep Hole Aluminum Head M14x1.25 Spark Plug Hole Repair Kit, No. 65200, replaces stripped spark plug threads in aluminum heads with 14mm spark plugs. This kit installs a new, solid steel spark plug thread insert in the original thread location. The set includes a one-piece drill tap, long tap holder, short tap holder, insert installer, swedger and handle. It also includes four insert sizes: 5/16", 7/16", 11/16" and 1".
