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 : SK621157 CB69283PR CB69283 MS301017 GS301017 CMS301017 CMS301223 CK621157 K621157 RK621157 1710103 2606856, Part Reference Numbers : SK621156 CB69284PR CB69284 MS301018 GS301018 CMS301018 CMS301222 CK621156 K621156 RK621156 1810103 2606857, Kit Includes: 2x Front Lower Suspension Control Arm and Ball Joint Assembly (Both Side), Kit Variations: K72-100698