Lisle 65200 Deep Hole Alum Head M14x 1.25 Spark Plug Hole

Description

Features & Benefits:
Replaces stripped spark plug threads in aluminum heads with 14mm spark plugs
Installs a new solid steel 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
Includes four insert sizes: 5/16", 7/16", 11/16" and 1" (new size).