Installation Time
(approx) 4 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
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Nitro Gear & Axle 8.8-Inch Rear Axle Ring and Pinion Gear Kit; 4.88 Gear Ratio (97-09 F-150)
Item T539999
$0.00
Our Price
$241.00 (kit)
FREE Shipping Market Price $277.99 You Save 13% ($36.99) Up to 10% off for Military & First Responders! See DetailsWill this fit your Vehicle?
Ship to: Columbus - 43215
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Ideal for Street and Performance Applications
- Built with a 4.88 Gear Ratio
- Features an 8.80-Inch Ring Gear Diameter
- Designed with a 30-Spline Pinion
- Made for 10 Ring Gear Bolts (Not Included)
- CNC-Cut Premium-Quality 8620 Steel
- Professional Installation Recommended
- Carries a Limited 2-Year Warranty
- Reverse Rotation
- Fits All 1997-2009 Ford F-150s with 8.8" (10 Bolt) Differential
Description
Superb Power and Performance. Increase your Ford F-150’s power and improve its performance with this 4.88 ratio Nitro Gear & Axle 8.8 in. Rear Ring Gear and Pinion Kit. It more efficiently increases your truck’s torque and speeds up its acceleration with its customized design and construction.
Heavy-Duty Construction. These Ring and Pinion gears are built using durable 8620 steel. It has been CNC-cut, heat treated, CNC triple lapped, and Rockwell tested using cutting-edge technology to ensure reliability and smooth operation.
Recommended Upgrade. Changes to the gear ratio of your Ford F-150’s differential may cause the speedometer to show inaccurate speed. This can be easily fixed with the use of a handheld tuner (not included).
Note on Installation. Installing these Ring and Pinion gears is extremely complex and delicate. That’s why we highly recommend the help of a professional installer for proper and hassle-free installation.
Backed by a Limited 2-Year Warranty. This Ring and Pinion gear kit is backed by Nitro Gear & Axle’s two-year warranty to cover defects in structural workmanship. Some conditions may apply.
Application. This 4.88 ratio Nitro Gear & Axle 8.8 in. Rear Ring Gear and Pinion Kit is specifically designed for 1997-2009 Ford F-150s with an 8.8" (10 bolt) rear suspension differential. Professional installers recommend using a master bearing kit, especially on high mileage trucks.
Please Note. Check with 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. Please note that matching both the front and rear gear ratios on Ford F-150 four-wheel-drive models is required. This helps prevent damage to both the transfer case and transmission. That’s why it is recommended to install this kit with the help of a qualified shop that you trust.
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Fitment:
- 1997 Ford F-150
- 1998 Ford F-150
- 1999 Ford F-150
- 2000 Ford F-150
- 2001 Ford F-150
- 2002 Ford F-150
- 2003 Ford F-150
- 2004 Ford F-150
- 2005 Ford F-150
- 2006 Ford F-150
- 2007 Ford F-150
- 2008 Ford F-150
- 2009 Ford F-150
Nitro Gear & Axle F8.8-488-NG
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
4.5
Reviews of Nitro Gear & Axle Drivetrain Products (8)
Reviews of Nitro Gear & Axle Drivetrain products have an average rating of 4.5 out of 5
Questions & Answers
10 More Questions
