Yukon GM 8.5" & 8.6" Rear Differential Cover - 10-Bolt 2009-ford-f-350-super-duty-esi7146918 0:1 leverage ratio deliver rapid

0:1 leverage ratio deliver rapid pressure rise with minimal hand effort—critical when traction changes instantly

Increased rigidity can also help maintain more stable gear alignment under high torque loads

and anyone who lives the off-road lifestyle

Tech Insight Upgrading to a 40 spline drive flange kit dramatically improves axle strength by increasing spline engagement and reducing the chance of failure under load

Multiple steering configurations are supported

Yukon GM 8.5" & 8.6" Rear Differential Cover - 10-Bolt 2009-ford-f-350-super-duty-esi7146918 0:1 leverage ratio deliver rapidThe Yukon GM 8. 5" and 8. 6" 10 bolt rear diff cover is most common rear axles used on GM trucks, SUVs, vans, muscle cars, and off road platforms. Known for their compact design, solid aftermarket support, and durability, these axles are frequently upgraded with lockers, lower gears, larger tires, and performance drivetrain components. Constructed from thick wall nodular iron, this cover improves housing rigidity while protecting ring and pinion