GREAT NECK SAW OEMTOOLS 25644 FIX‑A‑THREAD REPAIR INSERT M14‑1.25 1 PC
Replace a worn or damaged spark plug thread insert with the Great Neck Saw OEMTOOLS 25644 Fix‑A‑Thread Repair Insert. Designed for M14‑1.25 spark plug applications, this single stainless steel helical insert restores thread integrity and holding strength in cylinder heads without the need for costly component replacement. It is intended as a replacement insert for existing Fix‑A‑Thread repair kits.