We have to Spark Plug Repair Kits

BIGSERT® TRITON REPAIR KIT $450
Part No. 5553

This kit will fix ford heads with a straight section between the threads and taper seat. Models can be 1.9, 3.8, 4.6, 5.4, 6.8 liter engines.

TIME-SERT® REPAIR KIT $210

Part No. 4412E

We are also including 5 inserts.

It can also be used on the Ford 4.6 and 5.4

Screw Thread Inserts American and Metric Sizes

TIME-SERT® are threaded bushing inserts, used for the refurbishing of stripped and damaged threads.

For more info please visit http://promarengine.com (http://promarengine.com/productsearch.asp)

you should be meeting with ford because if its on warranty they will only pay for the repair if you replace the head ....