• Pro-Thread Kits offer a cost-effective method of repairing and strengthening threads in various materials such as cast iron, steel, aluminum, and other metals and plastics
• Effective for automotive repair, spark plug ports, outdoor power equipment, motorcycle repairs, farm equipment, and more!
• Easy to install, just DRILL, TAP, INSERT, SNAP!
• Pro-Thread inserts provide a permanent wear resistant internal thread
• Stainless steel inserts resist the effects of temperature and corrosion
• Wire inserts help to compensate for the thread and pitch angle errors
• Repaired threads are generally stronger than the original parent material thread
• 18 x 1.50mm x 1/2" MF Spark Plug Wire Thread Insert
• Includes 5 inserts
• Replacements for Part #98181
(California Prop 65)