Yukon GM 14-Bolt Master Overhaul Kit ('88 & older) 1979-jeep-cj7-esi1577257 Tech Insight Factory breathers are

Tech Insight Factory breathers are typically one way valves mounted low on the axle or transmission housing

allowing you to position and weld the mount exactly where it works best for your chassis layout and front end packaging

Their massive bearing capacity

lower kingpin bearings and races

Yukon GM 14-Bolt Master Overhaul Kit ('88 & older) 1979-jeep-cj7-esi1577257 Tech Insight Factory breathers areYukon Master Overhaul Kits give you everything you need to start and finish your GM 14 Bolt differential rebuild with confidence. Designed for 1988 and older GM 10. 5" 14 Bolt truck axles, this kit uses Timken bearings and races to ensure long lasting performance and precise fitment. Every component is made from premium materials to restore your differentials performance and reliability. Includes: Timken carrier bearings and races Timken pinion