??? 460 pushrod engine. 2.3 overhead cam. 4.6 no, no won't fit. Only heads I know will fit is. 2.3 single and dual plug. Essinlinger [spelling] A couple of DOHC protype by Ford. Don't even look for one. I think there was only 5 or less made. The 2.3 Volvo DOHC head and Volvo SOHC head. Here is one of those head on a motor I got.
Volvo head pictures by mgman75 - Photobucket
The first 5 pictures. Oh the DOHC head is sold and gone. Too much work for me.
__________________
1989 Mustang 2.3 turbo, 86 turbocoupe motor, 88 computer,vam upgrade, adjustable boost control, intercooler, c-4
trans, 7.5 345 turbocoupe rearend, motorsport driveshaft, Black interior.