Fabtech K1121 Crossmember Lift System for Select GMC Sierra HD, GMC Sierra HD
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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.
Crossmember Lift System; 4 in. Lift; w/Performance Shocks;
Fits: 2011-2019 GMC Sierra 2500 HD, 2019 GMC Sierra 3500 HD
Please review Specifications and the detailed fitment table for notes and exceptions.