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Give your New Edge Mustang that boost it's been looking for with the ultimate power pack - a 99-04 Mustang Gear Kit! Go for the bargain kit of the gears and speedometer recalibration package, or step it up all the way with a gears + tuner combo with either SCT or Diablosport tuners! And keep the Mustang drivetrain upgrades coming - add a Mustang Shifter Combo Kit or new Mustang Transmission Parts to your Mustang Gear Kit.

Fitment Includes:

  • 1999, 2000, 2001, 2002, 2003, 2004 Mustangs
  • V6, GT, SVT Cobra, Cobra, Cobra R, Mach 1, Bullitt Mustangs

*Please see product pages for any exceptions.

1999-2004 Mustang Gear Kits