TQ metal bearing design enables grease to flow through the bearing to 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 control arm, TQ steel composition results in a stronger component, Our full-ball metal stud provides smooth, consistent, rotational movement resulting in more responsive steering, Forged, CNC-machined shell leads to high-quality, precision-made performance and additional strength, Part Reference Numbers : CK620258 SK620258 CB81083PR CB81083 MS25120 GS25120 CMS25120 K620258 RK620258 102152 2605881 CP1377 TK620258, Part Reference Numbers : SK620257 CB81084PR CB81084 MS25121 GS25121 CMS25121 CK620257 K620257 RK620257 12152 2605880 CP1378 TK620257, Kit Includes: 2x Front Lower Forward Suspension Control Arm and Ball Joint Assembly (Both Side), Part Reference Numbers : CK620258 SK620258 CB81083PR CB81083 MS25120 GS25120 CMS25120 K620258 RK620258 102152 2605881 CP1377 TK620258 SK620257 CB81084PR CB81084 MS25121 GS25121 CMS25121 CK620257 K620257 RK620257 12152 2605880 CP1378 TK620257