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 : CB63213PR CB63213 MS901210 GS901210 CMS901210 CK623540 K623540 2608194 CP1551 CB2310, Part Reference Numbers : CB63214PR CB63214 MS901211 GS901211 CMS901211 CK622768 K622768 RK622768 2608195 545012S000 545012S100 545012Y000 545012Z000 545013W100 545013W102 545014W000 CP1552, Kit Includes: 2x Front Lower Suspension Control Arm and Ball Joint Assembly (Both Side), Kit Variations: K72-101495