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 : SK620548 CB67203PR CB67203 MS80170 GS80170 CMS80170 CK620548 K620548 RK620548 107108 2606383 TK620548, Part Reference Numbers : SK620549 CB67204PR CB67204 MS80171 GS80171 CMS80171 CK620549 K620549 RK620549 117108 2606384 TK620549, Kit Includes: 2x Front Lower Suspension Control Arm and Ball Joint Assembly (Both Side), Part Reference Numbers : SK620548 CB67203PR CB67203 MS80170 GS80170 CMS80170 CK620548 K620548 RK620548 107108 2606383 TK620548 SK620549 CB67204PR CB67204 MS80171 GS80171 CMS80171 CK620549 K620549 RK620549 117108 2606384 TK620549