What model Cobra are the heads? You will need the Cobra intake as well. I don't know that you can since the Cobra is a 4v DOHC and the GT is a 2v SOHC. You'd have to have the cobra cams and stuff, too.
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1996 Mustang GTS
[This message has been edited by 96GTS (edited 01-20-2001).]
[This message has been edited by 96GTS (edited 01-20-2001).]