Features and Benefits:

• Repairs 14mm tapered seat and gasketed spark plug ports in aluminum and cast iron heads
• No drilling required
• Includes: tap, expanding tool & one each of 3 sizes of inserts.98142 - 1/4" Insert98143 - 3/8" Insert98144 - 5/8" Insert
• Pro-Thread Kit MTC 14 - 1.25

14mm Spark Plug Repair Kit. Repairs 14mm tapered seat and gasketed spark plug ports in aluminum and cast iron headsNo drilling requiredIncludes: tap, expanding tool & one each of 3 sizes of inserts.98142 - 1/4" Insert98143 - 3/8" Insert98144 - 5/8" InsertPro-Thread Kit MTC 14 - 1.25