Nitro Gear & Axle Ring and Pinion Gear Kit; 4.11 Gear Ratio (94-04 Mustang Cobra)Find parts that fit my vehicle

Improved Performance. The Nitro Gear & Axle Ring Gear and Pinion Kit - 4.11 Gears is built specifically to deliver better torque and power to your Mustang. Engineered with precision and durability, this gear kit is guaranteed to improve your performance where ever you go.

Precision Gears. Featuring an 8.80-inch ring gear diameter, this kit highlights a 30-spline and is compatible with 10 ring gear bolts (not included). Showcasing a 4.11 gear ratio, you’ll get more power transferred to your wheels along with enhanced acceleration.

Manufacturing Excellence. Crafted from a premium 8620 steel, these gears are heat treated and CNC-cut and triple-lapped for a seamless finish. Proudly made in the USA, you will love the added power boost this kit delivers for all your road adventures.

Recommended Upgrade. In order to ensure accurate speedometer readings after installation, the manufacturer suggests a hand-held tuner to eliminate false readings.

Installation. This installation requires advanced knowledge and skill from a professional mechanic experienced with drivetrains. The install time is estimated at 4 hours or less.

Warranty. Any flaw or imperfection found as a result of defective manufacturing will be covered in full with Nitro Gear’s 2-year limited warranty.

Application. The Nitro Gear & Axle Ring Gear and Pinion Kit - 4.11 Gears is engineered to be a precision fit for all 1994-2004 Ford Mustang Cobra models.

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