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 : 2700-95560 BJ90276PR BJ90276XL B6540 BJ90276 GK6540 MK6540 K6540 104265 2601525 TK6540, Part Reference Numbers : B6541PR BJ92165PR B6541XL BJ92165XL BJ91255 B6541 BJ92165 GK6541 MK6541 K6541 104267 104327 2601528 TK6541, Kit Includes: 2x Front Upper Suspension Ball Joint (Both Side) + 2x Front Lower Suspension Ball Joint (Both Side)