TQ powdered metal gusher bearing design enables grease to flow through the stud for reduced friction and enhanced strength and stability, Premium cover plate design allows for tighter tolerances vs traditional cover plate designs, providing a more durable and extended life for the ball joint, TQ engineered steel composition results in a stronger component. Our full-ball metal stud provides smooth, consistent, rotational movement resulting in more responsive steering, TQ greaseable socket design allows new lubricant to flush contaminants from the assembly, reducing corrosion and wear, Forged, CNC-machined shell leads to high-quality, precision-made performance and additional strength, Manufactured with CNC tooling, automated grinding and assembly lines for increased consistency, Part Reference Numbers : CK8687 B8687PR B8687XL B8687 GK8687 MK8687 K8687 104217 2601488 TK8687, Kit Includes: 2x Front Lower Suspension Ball Joint (Both Side), Part Reference Numbers : CK8687 B8687PR B8687XL B8687 GK8687 MK8687 K8687 104217 2601488 TK8687