Ball joints are a common wear item on Jeep wranglers that can produce vibrations, steering wander or even clunking noises. When installing a lift kit on your Jeep Wrangler JK itCOs a great time to replace the weak factory ball joints with a heavy-duty joint that is designed to handle additional stresses of oversize tires. Rough CountryCOs replacement ball joints are designed from the ground up to give you a stronger, longer lasting ball joint that is a direct factory replacement.\ Rough Country Jeep Wrangler ball joints are packed with features that you wonCOt find in other inferior designs. At the heart of each Rough Country ball joint is a high-precision chromoly ball stud that is oil-quenched, tempered and has spiral grooves to ensure lubrication during intense use. These ball joints are fully greaseable and feature a Cmetal on metalC design to provide a longer life span compared to joints featuring plastic or polymer components.