Ball joint failure in your Ford or early Ram 2500/3500 is unfortunately a common occurrence. A failed upper ball joint can lead to uneven tire wear, sloppy steering, and the dreaded death wobble. Mevotech has the answer. The Supreme line of ball joints feature superior toughness via a long-lasting sintered bearings, 180 SAE grease fitting, body knurling, locking ball joint nut, and extensive in house and 3rd party testing to ensure ultimate performance and strength. Mevotech Supreme ball joints are built for high-usage vehicles and feature a limited lifetime warranty.