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 : CB91013PR CB91013 MS50163 GS50163 CMS50163 CK621129 K621129 RK621129 136105 2606056 CP1397 TK621129, Part Reference Numbers : CB91014PR CB91014 MS50164 GS50164 CMS50164 CK621136 K621136 RK621136 46105 2606057 CP1398 TK621136, Kit Includes: 2x Front Lower Suspension Control Arm and Ball Joint Assembly (Both Side), Part Reference Numbers : CB91013PR CB91013 MS50163 GS50163 CMS50163 CK621129 K621129 RK621129 136105 2606056 CP1397 TK621129 CB91014PR CB91014 MS50164 GS50164 CMS50164 CK621136 K621136 RK621136 46105 2606057 CP1398 TK621136