5x BIG-SERT® Spark Plug Taper Insert M14 x 1.25 x 16.8mm – Conical 17.6mm OD

Name: 5x BIG-SERT® Spark Plug Taper Insert M14 x 1.25 x 16.8mm – Conical 17.6mm OD
Brand: Time-Sert

Time-Sert

5x BIG-SERT\u00AE Spark Plug Taper Inserts \u2013 M14 x 1.25 x 16.8mm (Conical)\n\nGenuine BIG-SERT\u00AE M14 x 1.25 spark plug taper inserts designed for professional repair of damaged or oversized spark plug threads. Featuring a conical (tapered) sealing design, this insert provides secure fitment and long-term durability in cylinder head applications.\n\nBrowse all BIG-SERT\u00AE Thread Repair Systems\n\nKey Features\n\nTaper / Conical Design\nPrecision conical sealing profile suitable for taper seat spark plug applications.\n\nHeavy-Duty BIG-SERT\u00AE Insert\nEngineered for previously damaged or oversized thread repairs.\n\nSpark Plug Specific Repair\nRestores original M14 x 1.25 thread specification in cylinder heads.\n\nPrecision Machined\nDesigned for accurate fitment and long-term performance in high-heat environments.\n\nProduct Summary\n\nBrand: BIG-SERT\u00AE\nThread Size (Internal): M14 x 1.25\nInsert Length: 16.8mm\nOutside Pitch: 1.5mm\nOutside Diameter: 17.6mm\nSeat TE