4.88 Ring & Pinion Kit w/ Bearings – Toyota GRJ79 – Revolution Gear

The Revolution Gear 4.88 ring and pinion gear set is specifically designed for the Toyota GRJ79 equipped with the factory differential locker.

It optimizes the gear ratio to improve traction, drivability, and off-road performance, especially when using larger diameter tires.

⚙️ Why choose a 4.88 ratio?

The 4.88 ratio is ideal for:

✔ Larger diameter tires
✔ Loaded / expedition vehicles
✔ Intensive off-road use
✔ Seeking low-end torque

Advantages:

• Better acceleration
• Improved pick-up
• Increased traction for off-roading
• Reduced engine strain under load

🔧 Revolution Gear Quality

🔵 Precision-machined ring & pinion

• Ratio: 4.88
• High-precision machining
• Enhanced durability
• Compatible with Toyota OEM diff locker

🔵 Bearings included

• High-quality bearings
• Designed for precise installation
• Long-lasting reliability

Kit contents

✔ 4.88 ratio ring & pinion
✔ Bearings
✔ Components required for assembly

Compatibility

✔ Toyota Land Cruiser GRJ79
✔ Vehicles equipped with the factory differential locker