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Fabtech 4" Basic Crossmember Lift System for 2011–2019 GM 2500HD 2WD and 4WD trucks delivers a moderate lift using high‑arched 1/4" steel lower control arms and heavy duty torsion drop brackets to retain proper CV angles. The design keeps near‑stock track width with ductile iron steering knuckles and uses a rear block and u‑bolt kit for lift. It’s a robust crossmember solution aimed at restoring geometry while raising ride height.
Fabtech 11-19 GM 2500HD 2WD/4WD 4in Basic Sys w/Perf Shks
