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 : SK620567 CB69203PR CB69203 MS30145 GS30145 CMS30145 CK620567 K620567 RK620567 154103 2606109 CP1314 TK620567, Part Reference Numbers : SK620566 CB69204PR CB69204 MS30146 GS30146 CMS30146 CK620566 K620566 RK620566 64103 2606108 CP1315 TK620566, Kit Includes: 2x Front Lower Suspension Control Arm and Ball Joint Assembly (Both Side), Kit Variations: K72-100043