1999-2004 Ford Mustang Gear Kits

Revitalize your Mustang's transmission performance with comprehensive Gear Kits that deliver crisper shifts and improved durability under high-torque conditions. These 1999-2004 Ford Mustang Gear Kits address common weakness points in factory transmissions, providing stronger components and optimized gear ratios for both performance and longevity.

The real transformation happens when you upgrade to precision-cut gears with proper heat treatment and stronger synchronizer assemblies. Sure, the install isn't for the faint-hearted, but the resulting rifle-bolt action transforms the entire driving experience.

Complete your Mustang's drivetrain upgrade with 1999-2004 Ford Mustang Clutches for improved power transfer, 1999-2004 Ford Mustang Shifters for shorter throws, and 1999-2004 Ford Mustang Transmission Accessories for improved cooling and function.

1999-2004 Ford Mustang Gear Kits

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
Cobra, Cobra R, Bullitt, Mach 1, GT, V6

*Please see product pages for any exceptions.

1999-2004 Ford Mustang Gear Kits

Shop Mustang 1999-2004 Gear Kits: 3D Builder

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