Have rough trails or roads destroyed your Jeeps alignment? The genuine Mopar Ball Joint Kit replaces the upper and lower ball joints on the driver or passenger side to eliminate the clunking noise coming from the front end and the uneven tire wear that accompanies. New ball joints will smooth out a rough ride, creating a firm grip between the hub assembly and the axle. Failing ball joints allow play at the knuckle which leads to the issues and factory Mopar parts can fix it!