* Repair damaged 14mm spark plug threads
   by opening hole with a reamer/tap and
   screwing insert onto the spark plug.
* Use spark plug socket to install spark plug
   and insert.
* Remove plug and check that insert is
   properly seated.
* Contents:
   1pc 14mm Tap/Reamer
   4pcs Insert lengths: 3/8”, 7/16”, 1/2”, 3/4”.