Head porting available now. We have teamed up with AC head porting. He has been porting heads daily for 18years. They have a Centroid 5 axis CNC head porting machine, along with a dynoflow flow bench. This is not a back yard porting company. This is what they do and all they do. A hand ported and flowed set of V6 duratec heads will cost $1400.00 The customer will recieve before and after flow numbers on there actual set of heads. Give us a call for more details.