2005-2006 MUSTANG GT 550 HP BIG BOOST KIT

This part is no longer available.
2005-2006 MUSTANG GT 550 HP BIG BOOST KIT
M-9066-M11
Instruction Sheet
  • Fits 2005-2006 Mustang GT with MANUAL transmission ONLY. For 2007-2009 see M-9066-M117
  • Big Boost kit converts M-6066-M463V and M-6066-M463P superchargers from 400 hp to 550 hp
  • Produces 550 hp at 6000 RPM / 542 lb-ft at 4400 RPM with 93 octane at approximately 11 psi of boost
  • Kit includes:
    • Complete air-to-liquid intercooler system
    • Dual Fuel Pump, fuel pump driver, and harness M-9407-GT05
    • Replacement Pulley
    • Ford Racing ProCal tool with performance calibration for significantly improved throttle response and performance feel
  • Due to multiple powertrain calibrations, online registration is required to receive ProCal calibration delivery tool after purchase
  • Please be aware, the ProCal tool you receive may be certified preowned.  If you have questions or wish to receive a new ProCal tool, please call the Ford Racing Tech Line at 800-FORD788 before submitting your customer information on the ProCal registration web page.
  • Ford Racing does not ship ProCal tools directly overseas. Customers must make special arrangements with their Ford Racing Distributor
  • Powertrain calibrations are developed and supported for U.S. and Canadian vehicles only
  • Unlike our competitors, all Ford Racing Power Upgrade Packages are 50 state emissions legal
  • Federal and state laws prohibit any person from installing aftermarket add-on or modified parts prior to the sale of a new motor vehicle
  • Note:
    • All spark plugs must be gapped from .032" to .035"
    • Superchargers are built to order. Please allow 7 days for assembly
Part Type
Engine: Superchargers
Instruction Sheet
Warranty Availability
Not Available
Package Dimensions
17" x 12.25" x 29.25"
Package Weight
39 lb(s)
UPC Code
756122098110
Country of Origin
United States