AmericanMuscle has the ultimate power package, 2005-2009 Gear Kits, ready for your S197 Pony! Choose the more economical Gear and Speedometer Recalibration tool kit, or rev it all the way to the red line with a Gear and Custom Tuner Kit! And pick up even MORE HP & torque when you also add a new Mustang Limited Slip Differential
and Mustang Driveshaft
- 2005, 2006, 2007, 2008, 2009 Mustangs
- V6, GT, Bullitt, Shelby GT500 Mustangs
*Please see product pages for any exceptions.