Ok so yesterday I bought PI heads from a local mustang shop for a decent price. The casting number is RF-XL3E-6090-C20D on both heads. They have individual cam caps which leads me to believe that they are windsor heads. But then when I count the valve cover bolt holes in the heads, I count 11 (Romeo head design). Here is a pic.
Can anyone help me figure this out.
Can anyone help me figure this out.