2011-2019 GM HD 2.5 RR Front Upper Control Arm Kit (ICO78724) Fabrication>Sealants The mandrel-bent 6061-T6 aluminum intake

The mandrel-bent 6061-T6 aluminum intake tube delivers efficient airflow

Clear lens for maximum light output and distance

Spot and Driving Combo beam mix for zones 1-3

High-speed data processing and rapid adjustment response

50" rear lift height over stock w/ 400lb constant load Option #3 +40% spring rate over option #1 +2

2011-2019 GM HD 2.5 RR Front Upper Control Arm Kit (ICO78724) Fabrication>Sealants The mandrel-bent 6061-T6 aluminum intakeFix your 2011 2019 GM HD's suspension geometry the right way with ICON billet upper control arms. CNC machined from 6061 T6 aluminum with Delta Joint ball joints, these arms give you more wheel travel, better caster correction, and strength that factory arms can't match. Features ICON Delta Joint Premium grade 5WT shock oil for consistent suspension damping along a wide temperature range Nitrogen charged monotube design with remote reservoir One piece