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Nitro Gear & Axle Ring and Pinion Gear Kit; 3.27 Gear Ratio (99-04 Mustang GT)

Item 404770
AmericanMuscle no longer carries the Nitro Gear & Axle Ring and Pinion Gear Kit; 3.27 Gear Ratio (99-04 Mustang GT). Please check out 1979-1993 Foxbody Mustang Gears for an updated selection.
Nitro Gear & Axle Ring and Pinion Gear Kit; 3.27 Gear Ratio (99-04 Mustang GT)
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    Product Information

    Features, Description, Reviews, Q&A, Specs & Installation


    • Made for Street and Performance Applications
    • Improved Torque and Power
    • Features a 3.27 Gear Ratio to Transfer Power to Wheels
    • Improves Acceleration
    • Designed with an 8.8-Inch Ring Gear Diameter
    • Includes a 30-Spline Pinion
    • Made for 10 Ring Gear Bolts (Not Included)
    • CNC-Cut Premium-Quality 8620 Steel
    • Heat Treated and Triple-Lapped for a Seamless Fit and Finish
    • Reverse Rotation
    • Made in the USA
    • Professional Installation Recommended
    • Guaranteed by a 2-Year Warranty
    • Fits All 1999-2004 Ford Mustang GT Models


    Unflinching Power. Looking for a boost of wheel power to set your Mustang apart on the track? Then look no further than the Nitro Gear & Axle Ring Gear and Pinion Kit - 3.27 Gears. Engineered to improve your torque and wheel power, this high-impact gear kit is made specifically for street and performance applications.

    Cutting-Edge Precision. Featuring a 3.27 gear ratio, this low ratio transfers full capacity power directly to your wheels. As a result, you’ll get better acceleration and execution from the line. Showcasing a 30-spline pinion as well as an 8.8-inch ring gear diameter, this kit is made for 10 ring gear bolts (not included).

    High Impact. Proudly made in the USA, this CNC-cut, premium 8620 steel features a triple-lapped process that provides a seamless fit and finish. In addition, the heat-treated construction showcases a reverse rotation feature for high-impact execution.

    Recommended Upgrade. This gear modification may cause your Mustang’s speedometer to display false readings; therefore, the manufacturer recommends a hand-held tuner to restore accurate readings.

    Installation. This advanced install can be completed in approximately 4 hours but requires a skilled, professional mechanic due to the level of difficulty.

    Warranty. A 2-year limited warranty is provided to replace any defect found. In fact, any flaw or imperfection found in the materials or craftsmanship will be covered in full.

    Application. The Nitro Gear & Axle Ring Gear and Pinion Kit - 3.27 Gears is precision made to accommodate all 1999-2004 Ford Mustang GT models.

    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

    Customer Reviews (5)

      Brand Image

      Reviews of Nitro Gear & Axle Drivetrain products have an average rating of 4.6 out of 5

        Questions & Answers

        10 More Questions

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