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Find Ring & Pinion Gears for your 4Runner

Nitro Gear & Axle Toyota 8-Inch Front and 8.20-Inch Rear Axle Ring and Pinion Gear Kit; 4.56 Gear Ratio (10-24 4Runner w/ OEM E-Locker)Find parts that fit my vehicle

Item TR34497
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ExtremeTerrain no longer carries the Nitro Gear & Axle Toyota 8-Inch Front and 8.20-Inch Rear Axle Ring and Pinion Gear Kit; 4.56 Gear Ratio (10-24 4Runner w/ OEM E-Locker). Please check out 1984-1989 Toyota 4Runner Drivetrain for an updated selection.
39 Reviews of Nitro Gear & Axle
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    Product Information

    Features, Description, Q&A, Specs & Installation

    Features

    • Ring and Pinion Gear Kit
    • Front Axle: Toyota 8‑Inch (Reverse/Clamshell IFS)
    • Rear Axle: Toyota 8.20‑Inch
    • Gear Ratio of 4.56
    • Restores Performance and Fuel Economy
    • Maintains Optimal RPM and Drivetrain Longevity
    • Built from Premium-Grade Materials
    • High-Quality 8620 Steel Forgings
    • Precision CNC Triple‑Lapped, Heat‑Treated, and Rockwell Hardness-Tested
    • Straightforward Bolt-On Installation
    • Includes Front and Rear Master Install Kits
    • Drilling and Modification Not Required
    • Fits 2010–2024 Toyota 4‑Runner without OEM E‑Locker

    Description

    High‑Performance Gear Upgrade. The Nitro Gear & Axle Toyota 8‑Inch Front and 8.20‑Inch Rear Axle Ring and Pinion Gear Kit provides a robust 4.56 gear ratio for 2010–2024 Toyota 4‑Runner models without the OEM E‑Locker. This gear set restores torque, improves acceleration, and corrects RPM loss from oversized tires, ensuring reliable on‑ and off‑road performance.

    Construction and Appearance. Crafted from premium 8620 steel forgings, each gear undergoes CNC precision machining, triple‑lapping, and heat‑treating—culminating in gears that are Rockwell hardness tested and built for strength and quiet operation. The kit arrives complete with all necessary hardware, finished to professional standards ready for installation.

    Installation. This is a bolt‑on, mod‑free kit that requires no drilling or fabrication. Designed for experienced enthusiasts or professional installers, the installation process is straightforward and reliable.

    Application. This Nitro Gear & Axle Toyota 8‑Inch Front and 8.20‑Inch Rear Axle Ring and Pinion Gear Kit fits 2010–2024 Toyota 4‑Runner models without OEM E‑Locker.

    CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

    Installation & What's in the Box

    Installation Info

    Installation Time

    (approx) 3 Hours

    Difficulty Level:

    Light to Moderate mechanical skill required.

    Installation Guides

      No guide available for this part yet.

    What's in the Box

    • Ring And Pinion Gear
    • Bearings
    • Races
    • Crush Sleeves
    • Shims
    • Pinion Seal
    • Pinion Nut
    • Ring Gear Bolts
    • Loctite
    • Marking Compound
    4.8

    Reviews of Nitro Gear & Axle Drivetrain Products (39)

    Questions & Answers

    No questions about this product yet. Ask the First Question

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