Fabtech’s 4-inch crossmember lift system for 2011–2019 GM 3500HD (2WD/4WD) combines heavy-duty construction with improved clearance. It features high-arched 1/4" thick lower control arm crossmembers, ductile iron steering knuckles to retain track width, and rear block-and-u-bolt lift. This version is supplied with Dirt Logic 2.25 shocks to maintain ride control on the lifted chassis.
Fabtech 11-19 GM 3500HD 2WD/4WD 4in Basic Sys w/Dlss Shks