M14X1.25 Extended Thread Repair Kit "OVERSIZED HOLES" For Spark plugs that have been previously repaired. The outside thread of the BIG-SERT is M18x1.5, the stripped hole should not be larger than 16.77mm or .660 inches. SPA...

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M14X1.25 Extended Thread Repair Kit "OVERSIZED HOLES" For Spark plugs that have been previously repaired. The outside thread of the BIG-SERT is M18x1.5, the stripped hole should not be larger than 16.77mm or .660 inches. SPARK PLUG KITS DO NOT INCLUDE INSERTS

  • BIG-SERT OVERSIZED REPAIR for use when a helicoil has failed
  • M14x1.25 BIG-SERT kit does not include inserts order separate
  • p/n 5141E Extended Version for Deep holes
  • For 3/4 reach washer seat spark plugs use insert 51407 search (B00IXQIQ9U)
  • Spark plug thread repair kit does NOT include inserts
  • BIG-SERT OVERSIZED REPAIR for use when a helicoil has failed
  • M14x1.25 BIG-SERT kit does not include inserts order separate
  • p/n 5141E Extended Version for Deep holes
  • For 3/4 reach washer seat spark plugs use insert 51407 search (B00IXQIQ9U)
  • Spark plug thread repair kit does NOT include inserts

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