Fabtech K1121 4" Lift Kit w/Perf Shocks 11-19 Silverado/Sierra 2500HD 2WD/4WD

Crossmember Lift System Fabtechs new 4 crossmember systems utilize their proven heavy duty construction and design features for a robust suspension upgrade. The 4 system features high arched lower control arm crossmembers constructed of 1/4 thick steel for maximum strength. The Fabtech ductile iron steering knuckles retain the near stock track width keeping tires under the fender for a clean appearance. Rear lift is accomplished with a block and u bolt configuration. 1/4 in. Thick Lower Control Arms Heavy Duty Torsion Drop Brackets Retains Proper CV Angles