Heavy Replacement Ball Joints Jeep Wrangler JK Wrangler Unlimited (07 18) 2014 gmc yukon xl 1500 slt esi1370356 Installation prices vary based on 2006 mercedes benz e500 base esi5324832 Installation prices vary based on vehicle and options 3M clear plastic patches included to protect your vehicle's paintwork These ball joints are fully greaseable and feature a Gmetal on metal" design to provide a longer life span compared to joints featuring plastic or polymer components When installing a lift kit on your Jeep Wrangler JK it s 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