New Ford Supecharger part

[Tipo874]

Could this be the mysterious Ford GT pulley kit? M-6066-SGT

"http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=9887"

 

[Arm]

I consulted Google, looks like a kit for the GT500:

http://store.roushperformance.com/detail.aspx?ID=1012
http://www.mcnewsautomotive.com/ProductInfo.aspx?productid=M-6066-SGT

Oh well.