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Review on TimeSert Spark Plug #4212 Thread Repair Kit M12x1.25 by Will Anderson

Revainrating 5 out of 5

The only method you should consider for spark plug hole repair is

Very intelligent system that makes a driver level repair affordable for the average person. Self-leveling tools simplify the process. The repair leaves a strong steel spark plug bore liner that has been expanded to grip and seal the base metal. Modest maintenance and a new bore are good for the remaining life of the engine.

Pros
  • Spark Plug Thread Repair Kits
Cons
  • I don't remember but there was something