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Yukon Gear Ring Gear and Pinion Kit - 5.13 Gears (05-09 GT)

Market Price $314.45 You Save 9% ($28.58)
Our Price

$285.87

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  • Item 393215G05
  • MPN# YG F8.8-513

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Features & Details

  • 5.13 Gear Ratio
  • 8.8" Ring Gear Diameter
  • Superior Quality
  • Premium Grade 8620 Triple Alloy Steel
  • Intended for Track Use
  • Fits 2005-2009 GT and Bullitt Mustangs
Improve Performance. Does your 2005-2009 GT Mustang spend most of its time making quarter mile passes at your local drag strip? If so, you should consider upgrading to a set of Yukon 5.13 Ring and Pinion Gears. Perfect for the serious drag racer who is looking to increase low end torque for quicker off the line acceleration and faster et's, these 5.13 Gears feature a much steeper ratio than your original factory installed gears.

5.13 Gear Ratio. 5.13 Ring and Pinion Gears are a great choice for the drag racer who is looking for quicker acceleration and faster 60 foot times. However, it should be noted that you will see a noticeable decrease in fuel economy when compared to your original factory installed gears. While in theory 5.13 gears could be used on the street, they are really intended for serious drag race applications.

Quality Construction. Made from incredibly durable forged 8620 triple alloy steel for superior strength, Yukon backs their Ring and Pinion with a 1-year limited warranty. Yukon also takes full advantage of the most up to date state of the art technology in their design and manufacturing process. No matter how you look at it, this gear set is built to last.

Recommended Upgrade. Changing the rear axle gear ratio will throw off the calibration of your Mustangs speedometer, but a Ford Racing Speedometer Recalibration Tool is an inexpensive way to fix this issue.

Application. This 5.13 Yukon Ring and Pinion Gear set will fit all 2005 to 2009 GT and Bullitt Mustangs equipped with a 8.8" rear end. A master bearing kit is recommended by most installers, especially on high mileage vehicles, 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. You can also save money on your installation labor by having your Trac-Lok rebuilt at the same time as your gears are installed, see drop down option above.

Fitment: 2005 2006 2007 2008 2009 Details

What's in the Box
  • (1) Ring gear
  • (1) Pinion gear
Installation Info
Tech Specs
Will it fit my Mustang?
  • GT - 05, 06, 07, 08, 09
  • Bullitt - 08, 09

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