Yukon Gear & Axle YG T10.5-430 Ring and Pinion Gear Set Toyota 10.5in. Rear Differential 4.30 Ratio

The Yukon Gear & Axle YG T10.5-430 is a high-performance ring and pinion gear set engineered for the Toyota 10.5-inch rear differential. Built to handle the demands of bigger tires, increased horsepower, and off-road abuse, this gear set delivers the strength and precision needed for a reliable differential upgrade.

Yukon engineers employ state-of-the-art design processes, advanced heat-treating techniques, and rigorous quality testing to ensure every gear set meets exact specifications for structure and surface finish. The gear tooth surface finish is specifically designed to reduce friction and heat, while high-grade steel construction in both the ring and pinion provides long-term durability. Fitment is engineered to OEM specifications for straightforward installation.

Key Specifications:

• Gear Ratio: 4.30
• Ring Gear Diameter: 10.5 inches
• Pinion Spline Count: 36 spline
• Ring Gear Bolt Count: 12 bolts
• Differential Location: Rear
• Material: High-grade steel

Warranty: All Yukon ring and pinion sets include a standard one-year warranty. Yukon also offers the Y.E.S. Plan — a lifetime, comprehensive, no-questions-asked protection plan covering your gear set for as long as you own your vehicle.

Whether you're running larger tires, building a rock crawler, or optimizing your rig for towing, upgrading to a 4.30 ratio restores engine RPM balance and drivetrain performance. Pair this gear set with a Yukon Master Overhaul Kit to ensure you have all the components needed for a complete differential rebuild.