ICON Vehicle Dynamics 2.5 Series CDCV shock system with tubular upper control arms for 2011–2019 GM HD trucks delivers tunable ride control for 0–2" lift applications. The external Compression Damping Control Valve offers ten levels of compression adjustment, while the internal 6061-billet manifold Bump Zone adds 20% more damping near full compression. Delta Joint upper arms use zinc-plated, sealed construction for increased durability and articulation.
ICON 11-19 GM HD 0-2in 2.5 CDCV Shock System w/Upper Control Arm