Introduction The control arms are perpendicular to the axis of the vehicle, in automotive suspension, a control arm is a hinged suspension link between the chassis & the suspension upright or hub that carries the wheel. Control arms allow wheels to move up & down while preventing forward & rearward movement. They are typically equipped with bushings on the frame side of the vehicle & a ball joint on the wheel side of the vehicle that allow compatible for flex & controlled movement according to road conditions & steering input from the driver. Maxpeedingrods provides quality control arms compatible for Chevy & compatible for Cadillac series. Application Compatible for Chevy 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L 1997-2016 compatible for Cadillac 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L 2002-2016 Specification Used on all LS style rocker arms including the following: LS1 LS2 LS3 LS6 L99, LS4, LS7, LS9 LSA LQ4 LQ9 L76 L92 LR4 LM7 L59 LM4 L33 L98 L77 LY6 LFA LZ1 LY2 L20 LMF LH6 LY5 LMG LC9 LH8 LS4 4....