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USA Standard Ring and Pinion Gear Kit; 3.31 Gear Ratio (05-09 GT)

Item 402954
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Market Price $219.99 You Save 8% ($18.48)
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$201.51 (kit)

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Ship to: Ashburn - 20149
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      Product Information

      Features, Description, Q&A, Specs & Installation


      • Ideal for Street and Performance Applications
      • Has a 3.31 Gear Ratio
      • With an 8.80 inch Ring Gear Diameter
      • 30-Spline Pinion
      • 10 Ring Gear Bolts
      • CNC-Machined Triple Alloy Steel Construction
      • Direct Fit Replacement
      • Professional Installation Recommended
      • 1-Year Limited Warranty
      • Standard Rotation
      • Fits 2005 to 2009 Ford Mustang GT Models


      Add Confidence to Your Install. Replacing the OEM ring and pinion gears are made easy with a quality direct fit kit like the USA Standard Ring Gear and Pinion Kit. This kit features OEM-quality gears with a 3.31 ratio that are precision-made for a hassle-free installation. And with USA Standard’s high product standards, you can have confidence in these gears.

      OE-Quality Construction. These ring and pinion gears are precision-machined from high-grade materials using the latest technology. This ensures that they match OEM specifications on toughness, durability, and performance. Furthermore, the precision machining provides a perfect fit that makes installation easier.

      Recommended Upgrade. Purchasing a USA Standard installation or master overhaul kit is highly recommended for easier installation.

      Professional Installation Recommended. The kit’s included gears are made for a direct fit replacement. However, as the installation requires expertise, installation by a professional mechanic is recommended.

      Includes 1-Year Limited Warranty. The Ring Gear and Pinion Kit with 3.31 gear ratio is warranted against manufacturing defects. Exclusions will apply.

      Application. The USA Standard Ring Gear and Pinion Kit with 3.31 gear ratio is designed to fit 2005 to 2009 Ford Mustang GT models.

      Fitment: 2005 2006 2007 2008 2009 Details

      USA Standard ZG F8.8-331

      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

      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

        • Bullitt - 08, 09
        • GT - 05, 06, 07, 08, 09

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