MrClean you might find this interesting. It comes from the FRPP Warranty Guide. It's amazing how the clutch can hold more power then I'm putting down if Ford installs a supercharger upgrade!
"Super Packs (2005-2009 MY: M-6066-M463V, M-6066-M463P, M-6066-M463V7, M-6066-
M463P7, M-6066-M463V8, M-6066-M463P8, M-6066-SGT; 2010 MY: M-6066-MGT400C, M-
6066-MGT400PC, M-6066-MSVTA) are warranted for factory-supplied material or
workmanship beginning upon dealer installation and registration of the Ford Racing Super
Pack with Ford Racing and ends at either 12 months/12,000 miles (whichever occurs first).
Installation must occur prior to the vehicle reaching either 36 months/36,000 miles (whichever
occurs first) from the beginning of the manufacturer's New Vehicle Limited Warranty. This
Limited Warranty replaces the existing manufacture's New Vehicle Limited Warranty for
engine, driveline and suspension parts when a concern is triggered by a warranted Ford
Racing Super Pack. All engine, driveline and suspension warranty issues not related to
installation of Ford Racing Super Pack remain subject to existing manufacturer's New Vehicle
Limited Warranty.
• 400 HP and 475 HP Super Packs are only warranted when dealer installed on
Mustang GT 4.6L engines.
• 6005HP and 650 HP Super Packs are only warranted when dealer installed on
Shelby GT500 5.4L engines."