2021-2026
2015-2020
2009-2014
2004-2008
1997-2003
Installation Time
(approx) 4 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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Nitro Gear & Axle 8.8-Inch Rear Axle Ring and Pinion Gear Kit; 4.11 Gear Ratio (97-09 F-150)Find parts that fit my vehicle
Item T539996
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Made for Street and Performance Applications
- Designed with a 4.11 Gear Ratio
- Features an 8.80-Inch Ring Gear Diameter
- Comes with a 30-Spline Pinion
- Built for 10 Ring Gear Bolts (Not Included)
- CNC-Cut Using Industrial-Strength 8620 Steel
- Professional Installation Recommended
- Limited 2-Year Warranty Coverage
- Reverse Rotation
- Fits All 1997-2009 Ford F-150s with 8.8" (10 Bolt) Differential
Description
Improved Power, Torque, and Performance. Bring out your Ford F-150’s wild side with this 4.11 ratio Nitro Gear & Axle 8.8 in. Rear Ring Gear and Pinion Kit. It has been designed to deliver extra power from the engine to the wheels with its custom design and cutting-edge construction. With this kit on your truck, you can enjoy faster acceleration, increased torque, and better power delivery.
Premium Steel Construction. These Ring and Pinion gears are manufactured from premium-quality 8620 steel. It has been CNC-cut, heat treated, CNC triple lapped, and Rockwell tested to ensure reliable performance and long-lasting durability.
Recommended Upgrade. Modifying the gear ratio of your Ford F-150’s differential may cause inaccuracies on the speedometer. However, using a handheld tuner (not included) can easily fix this.
Note on Installation. Installing these Ring and Pinion gears is extremely delicate and complex. That’s why we highly recommend hiring a qualified installer for trouble-free installation.
Limited 2-Year Warranty Coverage. This Ring and Pinion gear kit is guaranteed by Nitro Gear & Axle’s two-year warranty which covers structural workmanship defects. Some exclusions may apply.
Application. This 4.11 ratio Nitro Gear & Axle 8.8 in. Rear Ring Gear and Pinion Kit fits 1997-2009 Ford F-150s with an 8.8" (10 bolt) rear suspension differential. The use of a master bearing kit is recommended, especially on high mileage trucks.
Please Note. Visit your local Ford dealer to find out if your F-150 is designed with an 8.8 in. (10 bolt) or a 9.75 in. (12 bolt) differential.
Technical Note. Matching both the front and rear gear ratios on Ford F-150 four-wheel-drive models is required. Otherwise, it may cause damage to both the transfer case and transmission. That’s why we recommend installing this kit with the help of a qualified shop that you trust.
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Installation & What's in the Box
Installation Info
What's in the Box
- (1) Ring Gear
- (1) Pinion Gear
4.8
Reviews of Nitro Gear & Axle Drivetrain Products (8)
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