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Unlike aggressive locking differentials
This system uses Timken bearings combined with precision spacers and retaining hardware to help maintain proper bearing preload and lubrication under heavy load
This 1-1/8" bore version is optimized for power brake systems (vacuum or hydraulic assist)
making them ideal for dual purpose builds
Fitment Requires 30-spline axle shafts
Yukon GM 8.5" Rear Master Overhaul Kit 2018-jeep-wrangler-jk-esi1649509 Unlike aggressive locking differentialsThis GM 8. 5" rear master overhaul kit is designed for complete differential rebuilds in rear axle applications found in GM cars, trucks, SUVs, vans, and performance platforms. This rear master install kit includes Timken bearings and races along with the installation hardware necessary to establish proper pinion preload, carrier preload, backlash, and gear tooth contact pattern during differential assembly. GM 8. 5" rear axles have been widely used
