USA Standard 3.55 Gears (11-13 GT)

USA Standard 3.55 Gears (11-13 GT)
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About Yukon Gear

Yukon Gears and Axles
Yukon Gear and Axle build quality parts that exceed expectation, it’s that simple! Yukons in-house engineering team utilizes state-of-the-art computer software to design expectational products ...... READ MORE
OUR PRICE$149.99
Market Price $169.99You Save 12% ($20.00)
Item # 21613G11
Ships same business day

Accessories Options

Add Gear Install Kit

Accessories Options

Add Traction-LOK Rebuild Kit w/ Carbon Discs

Accessories Options

Add 2011 8.8in Rear Gear Pinion Bearing
PRICE WITH OPTIONS $149.99

Product Features

  • USA Standard Gear
  • Manufactured from 8620 gear steel
  • 3.55 gear ratio
  • 8.8" ring gear diameter
  • Fits 2011-2013 GT, BOSS, and Shelby GT500 Mustangs
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 11-13 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. Approximate RPM for 2011+ GT Manual Gear Speed 25 MPH 35 MPH 45 MPH 55 MPH 65 MPH 75 MPH 1 4007 5610         2 2660 3724 4788 5838 6917   3 1850 2590 3330 4070 4810 5550 4 1445 2023 2601 3179 3757 4335 5 1095 1533 1971 2408 2846 3284 6 712 996 1281 1565 1850 2135 Approximate RPM for 2011+ GT Automatic Gear Speed 25 MPH 35 MPH 45 MPH 55 MPH 65 MPH 75 MPH 1 4566 6393         2 2562 3586 4611 5636 6660   3 1665 2331 2997 3663 4329 4995 4 1251 1752 2252 2753 3253 3754 5 949 1329 1708 2088 2468 2847 6 756 1059 1362 1664 1967 2269

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.

Installation Time:

(approx) 4 Hours

Difficulty Level:

Mechanical expertise or professional installation required.

Customer Submitted Installation Guides:

Differential Gears - Installation Instructions
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Fitment:
  • GT 11, 12, 13
  • GT500 11, 12

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