I've always seen people going back and forth saying the 11.1 does and doesn't have billet OPGs. I just got off the phone with Ford Racing tech, and they assured me that the 11.1 and 9.1 aluminators both have billet OPGs now. It's even updated on the website for anyone else that cares.
http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=13113
http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=12763
http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=13113
http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=12763