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.
CTA 98141 CTA Manufacturing 14 mm Spark Plug Repair Kit
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