Lisle Aluminum Head Spark Plug Hole Repair Kit

Lisle's Aluminum Head Spark Plug Hole Repair Kit quickly and easily replaces stripped spark plug threads on aluminum heads with 14mm spark plugs. Kit installs a new spark plug thread insert in original thread location. Set includes one-piece drill tap, long tap holder, short tap holder, insert installer, swedger and handle. Also Includes three insert sizes of 5/16", 7/16" and 11/16". Comes in blow-molded case for convenient storage.