Yukon Gear & Axle ZGF10.5-488-37 High-Performance Ring & Pinion Gear Set Ford 10.5in 4.88 Ratio 37-Spline

The Yukon Gear & Axle ZGF10.5-488-37 is a high-performance ring and pinion gear set designed for 2011 and up Ford 10.5-inch rear axles in a 4.88 gear ratio. Featuring a 37-spline pinion and 12 ring gear bolts, this set is built to handle the demands of towing, hauling, and aggressive off-road use while delivering smooth, quiet operation on the street.

Key Features:

• Gear Ratio: 4.88
• Pinion Spline Count: 37-spline
• Ring Gear Diameter: 10.50 inches
• Ring Gear Bolts: 12
• High-grade steel construction in both ring and pinion gears
• Engineered gear tooth surface finish to reduce friction and heat under high-torque and high-load conditions
• State-of-the-art design backed by two in-house quality labs for dimensional, material, and fitment testing
• Fitment designed to OEM specifications for precise installation
• Compatible with Yukon master install kits for a complete differential rebuild

Yukon Gear & Axle ring and pinion sets are manufactured using advanced heat-treating techniques and leading-edge quality testing processes to ensure every set meets exacting specifications. The 4.88 ratio is an ideal choice for regearing after larger tire upgrades, maximizing torque output and restoring optimal performance. Yukon also offers the Y.E.S. (Yukon Extended Service) Plan — a lifetime, comprehensive, no-questions-asked protection plan covering your gear set for as long as you own your vehicle.