Yukon Gear & Axle YGK2173 Dana 80 3.73 Ratio Ring and Pinion Gear Set with Master Install Kit

The Yukon Gear & Axle YGK2173 is a complete ring and pinion installation package designed for 11.25-inch Dana 80 rear differentials with thin 3.73 ratio gears and 4.375-inch OD bearings. This comprehensive Pro Kit combines everything needed for a professional differential rebuild or gear swap in one convenient package, saving time and eliminating the guesswork of sourcing individual components.

Complete Installation Package:

• Premium Yukon ring and pinion gear set with state-of-the-art design and advanced heat-treating techniques for superior quality
• Master install kit with high-quality Timken bearings and races
• Carrier bearings and races, pinion bearings and races, pinion seal, axle seals, complete shim kit, ring gear bolts, pinion nut, crush sleeve, oil baffles and slingers, thread locker, marking compound with brush, and gasket

Key Specifications:

• Ring gear diameter: 11.25 inches
• Gear ratio: 3.73 (thin gear design)
• Fits carrier cases designed for 4.10 and up gear ratios
• For applications with 10-bolt rear cover and 12-bolt ring gear
• Head bearing OD: 4.375 inches (1998 and newer Ford applications)
• Includes 1.62-inch ID axle bearings and seals

Backed by Yukon's 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 compensating for larger tires, improving towing performance, or rebuilding a worn differential, this Pro Kit delivers professional-grade results with premium components throughout.