Moog EV407 Tie Rod End Problem Solver powdered metal gusher bearing design enables grease to flow through the bearing to the stud for reduced friction and enhanced strength and stability. Full ball metal stud provides 36 degrees of smooth, consistent, rotational movement resulting in more responsive steering. Moog engineered steel composition results in a stronger component Includes wrench flats for easier service. Loose or worn chassis parts can lead to premature tire wear