Moog K7395 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. Belleville washer preload provides lower torque and stud articulation with minimal axial clearance. 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 lower control arm can cause a loose ball joint fit. Moog Problem Solver design includes an oversized housing for a more secure fit. Premium polychloroprene sealed boot includes grease relief valve to keep contaminants out. Greaseable socket design allows new lubricant to flush contaminants from the assembly, reducing corrosion and wear Designed as stock replacement Greaseable for smoother steering Dust boots included Use on 4-wheel drive vehicles