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 : CRK621452 SK621452 CB69253PR CB69253 MS30194 GS30194 CMS30194 CK621452 K621452 RK621452 149103 2606670 TCB95138, Part Reference Numbers : CRK621453 SK621453 CB69254PR CB69254 MS30195 GS30195 CMS30195 CK621453 K621453 RK621453 159103 2606671 TCB95137, Kit Includes: 2x Front Lower Suspension Control Arm and Ball Joint Assembly (Both Side), Part Reference Numbers : CRK621452 SK621452 CB69253PR CB69253 MS30194 GS30194 CMS30194 CK621452 K621452 RK621452 149103 2606670 TCB95138 CRK621453 SK621453 CB69254PR CB69254 MS30195 GS30195 CMS30195 CK621453 K621453 RK621453 159103 2606671 TCB95137