Yukon Gear & Axle YGK2143 10.5" Ford 3.73 Ratio Rear Ring & Pinion Pro Kit with 35-Spline Dura Grip Positraction

The Yukon Gear & Axle YGK2143 is a complete Pro Kit package for the Ford 10.5" rear differential, bundling a 3.73 ratio ring and pinion gear set, a Master Install Kit, and a 35-spline Yukon Dura Grip clutch-style limited slip differential (LSD) into a single part number. Designed for the 12-bolt rear cover and 12-bolt ring gear application, this all-in-one solution simplifies the re-gear process by eliminating the need to source components separately.

Kit Includes:

• 3.73 ratio ring and pinion gear set for the Ford 10.5" (265mm) rear differential
• Yukon Master Install Kit with high-quality Timken inner and outer pinion bearings and races (NP761271 / NP998236 inner pinion bearing and race included)
• 35-spline Yukon Dura Grip clutch-style limited slip positraction unit — fully rebuildable
• All necessary small parts (shims, seals, crush sleeve, marking compound, and hardware) for a complete differential rebuild

Key Features:

• 10.5" ring gear diameter — fits 12-bolt rear cover and 12-bolt ring gear applications
• 3.73 gear ratio — ideal for larger tire sizes and improved towing and off-road performance
• Yukon Dura Grip LSD — clutch-style positraction that improves traction on all surfaces; fully rebuildable design extends service life
• Timken bearings included — premium-grade bearings ensure precise installation and long-term durability
• Advanced heat-treating and precision machining — Yukon engineers use state-of-the-art design and quality testing to meet exacting surface finish and structural standards
• Y.E.S. Plan eligible — Yukon's Extended Service Plan provides lifetime, no-questions-asked coverage for as long as you own your vehicle

Yukon Pro Kits are engineered to streamline differential rebuilds and re-gear projects, delivering everything needed in one convenient package. Whether upgrading for larger tires, increased towing capacity, or enhanced off-road capability, the YGK2143 provides a factory-quality result with premium aftermarket components.