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Fabtech's 4" Ultimate System for 2011–2019 GM C/K2500HD and 3500HD trucks includes Uniball upper control arms built with .120" 4130 chromoly tubing and stainless PTFE uniballs, ductile iron steering knuckles, and forged torsion bar keys to prevent CV bind. The kit levels the front stance, improves wheel travel and is offered as an upgrade for heavy‑duty offroad use while retaining proper steering geometry.
Fabtech 11-19 GM C/K2500HD/3500HD 4in Ultimate System w/Uniball UCA & DL Shocks
