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 : SK620586 CB74213PR CB74213 MS86163 MS86197 GS86163 GS86197 CMS86163 CMS86197 CK620586 K620586 RK620586 136168 2606389 4806942050, Part Reference Numbers : SK620587 CB74214PR CB74214 MS86164 MS86198 GS86164 GS86198 CMS86164 CMS86198 CK620587 K620587 RK620587 146168 2606390, Kit Includes: 2x Front Lower Suspension Control Arm and Ball Joint Assembly (Both Side), Part Reference Numbers : SK620586 CB74213PR CB74213 MS86163 MS86197 GS86163 GS86197 CMS86163 CMS86197 CK620586 K620586 RK620586 136168 2606389 4806942050 SK620587 CB74214PR CB74214 MS86164 MS86198 GS86164 GS86198 CMS86164 CMS86198 CK620587 K620587 RK