F3ze-aa Heads?

Demustangs

Member
Apr 7, 2017
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I have gt40 heads stamped F3ZE AA with half inch head bolt holes thats all i know they are steel heads pedestal mount rockers need to know exactly what car or truck they came out of thanks
 
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Mustang5L5

A little massaging and it went right in
Mod Dude
Feb 18, 2001
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Massachusetts
The GT40 heads with the 1/2" head bolts were on the 93-95 F150 lightning with the 351 in it, and 1996 Ford explorers.

1993 Cobras used GT40 heads with 7/16" head bolts.

Unsure what the 94-95 Cobras had. I want to say 1/2" head bolts.


Do your heads have the smog ports in the exhaust port?
 

Demustangs

Member
Apr 7, 2017
79
2
8
29
The GT40 heads with the 1/2" head bolts were on the 93-95 F150 lightning with the 351 in it, and 1996 Ford explorers.

1993 Cobras used GT40 heads with 7/16" head bolts.

Unsure what the 94-95 Cobras had. I want to say 1/2" head bolts.


Do your heads have the smog ports in the exhaust port?
I dont believe so