Yukon Gear & Axle ZG T8-456K Ring & Pinion Gear Set Toyota 8in 4.56 Ratio 29-Spline

The Yukon Gear & Axle ZG T8-456K is a high-performance ring and pinion gear set engineered for the Toyota 8-inch differential in a 4.56 gear ratio. Designed for the serious off-road and performance enthusiast, this kit delivers a reliable, quiet-running gear change backed by precision manufacturing and high-grade materials.

Yukon engineers the gear tooth surface finish to reduce friction and heat, using high-grade steel throughout both the ring and pinion, with fitment dimensioned to OEM specifications. Advanced heat-treating techniques and leading-edge quality testing processes ensure the structure and surface finish meet exacting standards.

Kit Includes:

• 29-spline ring and pinion gears (4.56 ratio)
• 29-spline conversion yoke
• Pinion seal
• Pinion nut

Key Specifications:

• Gear Ratio: 4.56
• Pinion Spline Count: 29
• Differential Housing: Toyota 8-inch
• UPC: 883584246459

Features & Benefits:

• High-grade steel construction in both ring and pinion for maximum strength and durability
• Gear tooth surface engineered to minimize friction and heat buildup
• Quiet-running design that is strong and easy to set up
• Suitable for street, off-road, and towing applications
• OEM-spec fitment for straightforward installation

Yukon Gear & Axle backs this ring and pinion set with a one-year warranty against defects, and the set is also eligible for Yukon's Y.E.S. Plan — a lifetime, comprehensive protection plan covering your gear set for as long as you own your vehicle.