2008 Ford F-Series 4.2 Select Thread Kit

Spark Plug M14x1.25

Time Sert 4412 1st Time repair. *This kit does not come with inserts. Purchase 44186 inserts in addition.

Time Sert 5141 2nd Time repair when different brand kit has failed making the hole bigger. *This kit does not come with inserts. Purchase 51457 inserts in addition.