This has probably been beat to death somewhere on this site, but I couldn't find it. I am looking for a reapir kit for a 5.4 head one of my spark plugs blew out 2 years ago it has blown out again and I have pulled the head and am looking for a good fix.

 

Try this link to Big-Sert's website.

http://www.timesert.com/html/triton_repair.html

Good Luck, Sean