OKAY i am back in town (for while now) and the numbers are drum roll please

C5AE

if you need more just let me know.

thanks

 

65 galaxie heads i would guess 289 heads but i could be very worng but i would probably stick with them because they will have the right combustion chamber size for the 289 you are building.




http://www.classicmustang.com/decoding_part_numbers.htm this will give you a little more info

 

thanks for the website! VERY kewl hehe