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Find Ring & Pinion Gears for your F-150

Nitro Gear & Axle 9.75-Inch Rear Axle Ring and Pinion Gear Kit; 4.88 Gear Ratio (97-08 F-150)Find parts that fit my vehicle

Item T540021
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AmericanTrucks no longer carries the Nitro Gear & Axle 9.75-Inch Rear Axle Ring and Pinion Gear Kit; 4.88 Gear Ratio (97-08 F-150). Please check out 1997-2003 Ford F-150 Drivetrain for an updated selection.
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    Product Information

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

    Features

    • Better Upgrade for Off-Road and Street Use
    • Rear Differential: Ford 9.75 in.
    • Gear Ratio: 4.88 Gear Ratio
    • Describe Ring Gear Diameter
    • 31-Spline Pinion
    • 12 Ring Gear Bolts (Not Included)
    • 8620 Steel Construction
    • Professional Installation Recommended
    • 2-Year Manufacturer’s Warranty
    • Standard Rotation
    • Fits All 1997-2008 Ford F-150 Models

    Description

    Powerful Ride Performance. Increase the power of your ride and switch to Nitro Gear & Axle 9.75 in. Rear Ring Gear and Pinion Kit with 4.88 Gears. This ring and pinion kit enables your F-150 to enjoy more low-end torque, quicker acceleration, and maximum power for an upgrade that is sure to last.

    Hardwearing Construction. CNC-machined Nitro Gear Ring and Pinion Kits are manufactured using 8620 steel in the same manufacturing facilities where Ford is made ensuring top quality and performance. They have been heat=treated and Rockwell tested for hardness to ensure all products conform to their strict standards.

    Mechanical Expertise Required. You will need some mechanical expertise when installing the Nitro Gear & Axle Ring and Pinion Kit. The whole installation process can be accomplished in about 4 hours.

    Two-Year Manufacturer’s Warranty. Backed by a Two (2) Year Warranty, you are assured of getting the best Nitro Gear & Axle Ring and Pinion products. This Limited Warranty against defects in materials and workmanship starts from the date of purchase of this product. Check the manufacturer site for more details.

    Application. The Nitro Gear & Axle 9.75 in. Rear Ring Gear and Pinion Kit with 4.88 Gears is designed exclusively for all 1997 to 2008 Ford F-150 models.

    Technical Note.  1997 to 1999 Ford F-150 models require crush sleeve spacer #FORF975114.

     

     

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    Installation & What's in the Box

    Installation Info

    Installation Time

    (approx) 4 Hours

    Difficulty Level:

    Mechanical expertise or professional installation required.

    Installation Guides

      No guide available for this part yet.

    What's in the Box

    • (1) Ring Gear
    • (1) Pinion
    3.7

    Customer Reviews (1)

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    Reviews of Nitro Gear & Axle Drivetrain products have an average rating of 4.5 out of 5

    Questions & Answers

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