Features and Benefits:

• Replaces stripped spark plug threads on aluminum heads with 14mm spark plugs
• 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
• Includes three insert sizes: 5/16", 7/16" and 11/16"
• Kit comes in blow-molded case for storage

Replaces stripped spark plug threads on aluminum heads with 14mm spark plugs. 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. Includes three insert sizes: 5/16 in., 7/16 in. and 11/16 in. Kitcomes in blow-molded case for storage.