Moog K6024 Ball Joint 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 Use on 1963 - 1971 GM trucks Ball joint is greasable Improves chassis performance and durability Designed as stock replacement Easy to install