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USA Standard 3.73 Gears (10-14 GT)

AmericanMuscle no longer carries the USA Standard 3.73 Gears (10-14 GT). Please check out 2010-2014 Mustang Gears for an updated selection.
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$149.99

  • Item #21614G11
  • Market Price $169.99
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AmericanMuscle no longer carries the USA Standard 3.73 Gears (10-14 GT). Please check out 2010-2014 Mustang Gears for an updated selection.

Features
  • USA Standard Gear
  • Manufactured from 8620 gear steel
  • 3.73 gear ratio
  • 8.8" ring gear diameter
  • Fits 2010-2014 GT, BOSS, and Shelby GT500 Mustangs
Description
Wake Up Your Pony. Installing a set of steeper gears is a great way to get your Mustang into the power band quicker for improved low end torque and faster acceleration off the line. A set of USA Standard Gears will really wake up your Pony. Better Than OEM Quality. Using state-of-of-the-art equipment and manufacturing techniques USA Standard Ring & Pinion sets are made to higher than OEM standards from high grade 8620 gear steel and are backed by a one year warranty.

Application. This USA Standard Gear Ring and Pinion Gear set will fit 11-14 Mustang GTs and 11-12 Shelby GT500s. A master bearing kit is recommended by most installers, especially on high mileage vehicles, see drop down option above.

Attention 2010 and newer Mustang Owners. Starting in 2010 Ford changed the inner rear gear pinion bearing in all 8.8" equipped Mustangs. Because of this you will require a new 8.8" rear gear pinion bearing (Ford part# 9L3Z-4630-A) for proper installation, please see drop down option above.

Technical Note. Installation costs will vary, but a good rule of thumb is between $250 and $300. Be sure to work with a reliable shop that you trust for installations.

Mustang Fitment: 2010 2011 2012 2013 2014 Details

What's in the Box
  • (1) Ring gear
  • (1) Pinion gear
Installation Info
Tech Specs

Approximate RPM for 2011+ GT


Manual
Gear @25 MPH @35 MPH @45 MPH @55 MPH @65 MPH @75 MPH
1 4210 5894        
2 2795 3913 5031 6149    
3 1944 2722 3499 4277 5054 5832
4 1518 2126 2733 3340 3948 4555
5 1150 1610 2070 2531 2991 3451
6 748 1047 1346 1645 1944 2243

Automatic
Gear @25 MPH @35 MPH @45 MPH @55 MPH @65 MPH @75 MPH
1 4798 6717        
2 2692 3768 4845 5922 6998  
3 1750 2449 3149 3849 4549 5249
4 1315 1841 2367 2892 3418 3944
5 997 1396 1795 2194 2593 2992
6 795 1113 1431 1749 2067 2384
Fitment
  • Boss 302 - 12, 13
  • GT - 10, 11, 12, 13, 14
  • GT500 - 10, 11, 12, 13, 14

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