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; 3.90 Gear Ratio (97-09 F-150)Find parts that fit my vehicle
Item T558580
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Designed for a Range of Applications
- Engineered with a 3.90 Gear Ratio
- Comes with a 30-Spline Pinion
- Features a 43/11 Tooth Count
- Designed for 10 Ring Gear Bolts (Not Included)
- High-Quality 8620 Steel Alloy Construction
- Professional Installation Recommended
- Backed by a Limited 2-Year Warranty
- Fits All 1997-2009 Ford F-150 Models
Description
Superior Off-Road Performance. Transform your Ford truck into a more capable off-roader with this Nitro Gear & Axle 8.8-Inch Rear Axle Ring and Pinion Gear Kit; 3.90 Gear Ratio. Equipped with a higher ring and pinion gear ratio, this kit allows you to outfit your vehicle with a larger set of tires so you can conquer any type of terrain without diminishing your truck’s power and efficiency on the highway.
Remarkable Efficiency. Setting up your Ford truck for aggressive applications will require the engine to work harder. This increases fuel consumption while also reducing power. With a ring and pinion gear that has a higher ratio, such as those included in this kit, your truck can regain power and increase its fuel efficiency.
Industrial-Grade Construction. Engineered for smooth and quiet performance, this Ring and Pinion Gear Kit is made from high-quality, forged 8620 alloy steel. Each of this kit’s components is also CNC triple-lapped, heat-treated, and Rockwell-tested to ensure unrelenting durability and unmatched performance.
Professional Installation Recommended. Installing a new set of ring and pinion gear on your truck will require complex mechanical steps. For this reason, AmericanMuscle recommends professional installation for this Axle Ring and Pinion Gear Kit for the best results.
Covered by a 2-Year Limited Warranty. For quality assurance, Nitro Gear & Axle covers this Rear Axle Ring and Pinion Gear Kit with a warranty against structural and material defects for 2 years from the original retail sale date. Some limitations apply. To learn more, please refer to the manufacturer’s website.
Application. This Nitro Gear & Axle 8.8-Inch Rear Axle Ring and Pinion Gear Kit; 3.90 Gear Ratio is designed for use on all 1997 to 2009 Ford F-150 models.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Ring Gear
- (1) Pinion Gear
Questions & Answers
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