Backed by superior materials and rigorous testing, MOOG ball joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation. Product Features:GREASEABLE SOCKET -- Reduces corrosion and wear by allowing new lubricant to flush contaminantsABSORBS IMPACT -- Belleville preload washer helps keep the bearing package tight as bearings wearSTRONG AND DURABLE -- Ball studs are heat treated to match or exceed OE requirements to inhibit premature failure and improve fatigue strengthPROBLEM SOLVER GUSHER BEARING -- Metal-to-metal design provides strength and allows grease to flow through bearing surface for reduced friction and long lifeEASY TO INSTALL -- Precision tolerances for easy installation and steering alignment giving you a perfect fit right out of the boxENGINEERING EXCELLENCE -- With 50+ dedicated engineers and 50+ patents, MOOG engineers every part with purpose