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 : BJ59016PR BJ59026PR BJ59016XL BJ59026XL B90336 BJ59016 BJ59026 GK90336 MK90336 K500128 K90336 104336 2601523 2643048 TK90336, Kit Includes: 2x Rear Upper Suspension Ball Joint (Both Side), Part Reference Numbers : BJ59016PR BJ59026PR BJ59016XL BJ59026XL B90336 BJ59016 BJ59026 GK90336 MK90336 K500128 K90336 104336 2601523 2643048 TK90336