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Helicoil 5523-14 Thread Repair Kit for Spark Plugs, 14mm x 1.25


Brand: Helicoil

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Product Description

Helicoil is the original spark plug port thread repair. This kit offers the highest quality and most durable repair available. The first choice of professional mechanics and engine rebuilders. Thread size kit 14-1.25mm.


  • A piloted reamer tap (no drilling necessary)
  • Installation tool
  • 6 inserts
  • Additional insert lengths; 3/8", 7/16", 1/2", 3/4" and .472, to accommodate all spark plug reaches.
  • Helicoil spark plug inserts are the preferred method of repair specified by virtually all US and foreign vehicle manufacturers.

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