Moog K8687 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. Moog engineered steel composition results in a stronger component Full ball metal stud provides 36 degrees of smooth, consistent, rotational movement resulting in more responsive steering. An enlarged ball joint receptacle in the control arm can cause a loose ball joint fit. Moog Problem Solver design includes an oversized housing for a more secure fit. Zinc plated housing to help prevent galvanic corrosion between the aluminum knuckle and ball joint housing. Loose or worn chassis parts can lead to premature tire wear Use on 1996 -1999 Ford Taurus Designed as stock replacement Improves chassis performance and durability Easy to install