Moog DS909 Center Link 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. Greaseable socket design allows new lubricant to flush contaminants from the assembly, reducing corrosion and wear Loose or worn chassis parts can lead to premature tire wear Fits select 1978 - 1988 GM vehicles Easy to install All parts meet or exceed OEM (original equipment manufacturers) standards Made of durable, all steel construction for better handling of your vehicle