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This ICON 2.5 internal-reservoir shock system with upper control arms is for 2011–2019 GM HD trucks and pairs vehicle-specific 2.5" shocks with CNC-bent 1026 DOM steel tubular upper control arms. ICON’s Delta Joint reduces element exposure while allowing high angularity; the system is rebuildable and revalveable, and the larger 2.5" design improves oil capacity, heat dissipation, and ride quality over smaller shocks.
ICON 11-19 GM HD 0-1in 2.5 IR Shock System w/Upper Control Arm
