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USA Standard Ring and Pinion Gear Kit; 5.13 Gear Ratio (07-14 GT500)

Item 403003
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Market Price $255.99 You Save 11% ($27.76)
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$228.23 (kit)

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      Product Information

      Features, Description, Q&A, Specs & Installation


      • Suitable for Street - Terrific for the Track
      • 13 Gear Ratio
      • 8 in. Ring Gear Diameter
      • 625 in. Pinion Shaft Diameter
      • 8 Pinion Gear Teeth/41 Ring Gear Teeth
      • 30 Spline Count
      • Standard Ring Gear Rotation
      • Premium Grade 8620 Alloy Steel Fabrication
      • Advanced Installation Difficulty
      • 1-Year Warranty
      • Fits 2007-2014 Mustang GT500


      Designed for Serious Racing. If you're replacing gears due to wear and tear, why not go nuts and upgrade to a higher ratio than stock, like the USA Standard Ring Gear and Pinion Kit - 5.13 Gears. Suitable for street use, this gear ratio delivers faster acceleration and shorter 60 foot times, perfect for serious racing applications.

      5.13 Gear Ratio. The right choice of gear ratio ensures that your motor will not only handle the type of load you are inflicting upon it, the mechanism will also move at the correct speed. This can make all the difference between winning and losing on the drag strip. The USA Standard 5.13 Ring Gear and Pinion Kit has a 1.625 in. pinion shaft diameter, 8.8 inch ring gear diameter and a spline count of 30.

      Durable, Superior Construction. Precision machined, the USA Standard Ring Gear and Pinion Kit - 5.13 Gears is manufactured from premium AISI 8620 Steel Alloy. Fabricated to the same meticulous standards as factory equipment, USA Standard gears deliver high performance at a low price.

      Installation. Without advanced level mechanical skills, you'll have a hard time installing the USA Standard Ring Gear and Pinion Kit; professional installation is recommended. If you think you're up to it, detailed instructions are provided.

      Warranty. The USA Standard Ring Gear and Pinion Kit to deliver is warrantied for one year.

      Application. The USA Standard Ring Gear and Pinion Kit - 5.13 Gears fits all 2007-2014 Mustang GT500s.

      Fitment: 2007 2008 2009 2010 2011 2012 2013 2014 Details

      USA Standard ZG F8.8-513

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Ring Gear
      • (1) Pinion Gear
      • Instructions

      Reviews of USA Standard Drivetrain Products (22)

      Reviews of USA Standard Drivetrain products have an average rating of 4.5 out of 5

        Questions & Answers

        10 More Questions

        Will It Fit My Mustang

        • GT500 - 07, 08, 09, 10, 11, 12, 13, 14

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