head bolts

ford sells plugs for the heads, they use the same threaded insert that the front of the heads have.

i tried to get one at the dealership but they didnt have any in stock. just tell them its the threads on the front of the heads for the ps/alt bolts. otherwards a spark plug will thread in, or summit sells the plugs.

there is fms ones and trickflow plugs i believe on their site.

i don't remember the size but i got some bolts at the hardware store for like 35 cents each... 1 inch long, 7/8 threads maybe?

unless you need the threaded insert, which you dont on the back of the head, i wouldnt pay 10 bucks for the TFS plugs.