Recoil® Ford Triton Plug-Saver® Kit (Part No. 98140T)
There is a Fix-A-Thread Plug-Saver kit designed to specifically repair the spark plug ports in 4.6, 5.4, and 6.8 liter Ford Triton engines. This specially designed M14-1.25 Triton spark plug repair kit ensures the permanent repair of the spark plug port threads in the Triton engine by providing a mechanically locked solid repair sleeve insert between the threads in the head and the half-thread taper seat spark plug. The Triton spark plug sleeve kit comes with a handy carrying case providing all parts necessary for quick and easy repair piloted reamer tap, tap extension, installation tool, and 8 inserts.
Using Fix-A-Thread Plug-Saver® Kits (Solid Inserts)
Tap Pack tap with heavy grease. Hand start tap. Then turn with socket wrench to tap hole full depth. Remove chips from hole.
Select Insert Make certain selected insert is same length as the threads on the spark plug. The knurled end of the insert should be at the top of the spark plug hole. Coat outside threads with a high-temperature RTV silicone.
Install Insert Screw insert in until flush with top of threaded hole. Insertion may be more easily facilitated by using the spark plug where the hole is recessed.
Finish Installation Place expansion tool into insert and hit several times to expand the knurl. Install the spark plug to recommended torque. Do not run engine until sealant has set (refer to manufacturer specifications).