Moog ES2912RL Tie Rod End 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. Patent pending Sunoloy coated metal bearings provide smooth stud swing technicians and drivers prefer. Problem Solver patented cover plate design allows for tighter tolerances vs traditional cover plate designs, providing a more durable and extended life part. Exclusive cover plate protects against contaminants leaking into the bearing surface. 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 select 1988 - 1996 GM passenger vehicles Right/Left outer rod Easy to install All parts meet or exceed OEM (original equipment manufacturers) standards Made of durable, all metal construction