Description

5th Gen 4Runner 4.88 Gear 8.2 inch w/Locker | Toyota FJ and 4Runner 8.2 Inch Rear Axle with Locker 4.88 Ratio Gear Package Revolution Gear

Boost your drivetrain performance with the 5th Gen 4Runner 4.88 Gear package from Revolution Gear and Axle. This complete gear solution is engineered specifically for Toyota 4Runner models from 2010 to 2014 equipped with the 8.2-inch rear axle and factory or aftermarket locker. It enhances low-end torque, making off-road crawling and towing smoother and more controlled while also improving highway RPM efficiency with larger tires.

The 4.88 gear ratio offers better engine response, restores power lost from oversized tires, and keeps fuel consumption efficient during highway cruising. Built from high-grade 8620 heat-treated steel, these precision-cut gears provide maximum strength and long-lasting durability. Whether you’re an overlander or a daily driver, this upgrade delivers both reliability and performance gains.

Features of 5th Gen 4Runner 4.88 Gear:

• 4.88 gear ratio delivers improved torque and power transfer
• Compatible with Toyota 8.2-inch rear axle and 8.0-inch IFS front
• Constructed from heat-treated 8620 steel for durability
• Precision machining ensures quiet operation and perfect fit
• Ideal for lifted vehicles and oversized tires
• Includes high-quality Timken or Koyo bearings

What’s Included:

• Front and Rear 4.88 Ring and Pinion Gear Sets
• Master Install Kits with Bearings and Shims
• Timken or Koyo Bearing Kits
• Hardware and Setup Instructions

Specifications of 5th Gen 4Runner 4.88 Gear:

• Rear Differential: Toyota 8.2-Inch with Locker
• Front Differential: Toyota 8.0-Inch IFS (Thick Gear)
• Rear Pinion Spline: 30 Spline
• Front Pinion Spline: 29 Spline
• Material: Heat-Treated 8620 Steel
• Warranty: 2-Year Limited Manufacturer Warranty

Fitment:

• 2010–2024 Toyota 4Runner with 8.2-Inch Rear Axle and Locker
• Also fits 2010–2014 Lexus GX460 and 2007–2014 Toyota FJ Cruiser with Locker

FAQs:

• Will this gear set fit my 4Runner with a factory locker?
  Yes, it is specifically designed for 4Runner models with the 8.2-inch rear axle and factory or aftermarket locker.
• Does this kit include both front and rear gears?
  Yes, the package includes front and rear ring and pinion gear sets along with master install kits.
• Can this gear set handle oversized tires?
  Absolutely. The 4.88 ratio is ideal for restoring performance lost from running 33” to 35” tires.
• Is professional installation necessary?
  Professional installation is strongly recommended to ensure correct gear setup and alignment.
• Does it help with towing?
  Yes, the 4.88 ratio increases torque at lower RPMs, making towing easier and more efficient.