Yukon Gear & Axle YGK2144 Dana 80 3.54 Ratio Ring & Pinion with Master Install Kit and 35 Spline Dura Grip Posi

The Yukon Gear & Axle YGK2144 is a complete re-gear package for the 11.25" Dana 80 rear differential, combining a high-performance 3.54 ratio ring and pinion gear set, a Yukon Master Install Kit, and a 35-spline Yukon Dura Grip clutch-style limited slip positraction unit — everything needed for a full differential rebuild in a single part number.

Kit Contents:

• 11.25" Dana 80 3.54 ratio ring and pinion gear set
• Yukon Master Overhaul Install Kit with premium Timken bearings and races
• 35-spline Yukon Dura Grip clutch-style limited slip positraction (fully rebuildable)
• All required seals, shims, and small parts for a complete differential rebuild
• 4.375" OD inner pinion bearing (NP673386 / NP516549)

Ring & Pinion Gear Set Features:

• 11.25" ring gear diameter with 12-bolt ring gear and 10-bolt rear cover
• Fits carrier cases designed for the 4.10 and lower (below carrier break) gear ratio
• Manufactured using state-of-the-art design, advanced heat-treating techniques, and rigorous quality testing
• Yukon-engineered gear tooth surface finish reduces friction and heat for improved durability under high-torque conditions
• High-grade alloy steel construction built to OEM fitment specifications

Master Install Kit Features:

• Includes premium Timken bearings — widely regarded as the industry standard for differential rebuilds
• All bearings, races, seals, and hardware included for a complete, correct installation
• Designed for hassle-free setup with quiet, cool-running gear engagement

Positraction / Limited Slip Features:

• Yukon Dura Grip clutch-style limited slip differential — 35 spline
• Fully rebuildable design for long-term serviceability
• Delivers improved traction on-road and off-road

Warranty: Yukon ring and pinion gear sets include a standard 1-year warranty against manufacturer defects. Yukon also offers the Y.E.S. (Yukon Elite Series) Plan — a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle.

Technical Note: The Dana 80 carrier break is 4.10. This 3.54 ratio gear set is designed for use with carrier cases rated for ratios below the 4.10 carrier break.