- BIG-SERT OVERSIZED SPARK PLUG REPAIR KIT for use when a helicoil has failed
- M14x1.25 BIG-SERT kit does not include inserts order separate
- Reliable fast permanent repair
- Professional repair tools for a high quality repair
- Used after helicoil failure or inserts .660 in diameter
- BIG-SERT OVERSIZED SPARK PLUG REPAIR KIT for use when a helicoil has failed
- M14x1.25 BIG-SERT kit does not include inserts order separate
- Reliable fast permanent repair
- Professional repair tools for a high quality repair
- Used after helicoil failure or inserts .660 in diameter