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 : BJ21115PR BJ21115XL BJ21115 GS40534 MS40534 K500331 K500255 2601858, Kit Includes: 2x Front Lower Suspension Ball Joint (Both Side), Part Reference Numbers : BJ21115PR BJ21115XL BJ21115 GS40534 MS40534 K500331 K500255 2601858