Fabtech K1121DL 4-Inch Lift Kit for 2011-2019 Silverado/Sierra 2500HD 4WD with Dirt Logic 2.25 Shocks

One complete Fabtech K1121DL 4-inch suspension lift system with four shock absorbers.

Vehicle application

For 2011-2019 Chevrolet Silverado 2500HD and GMC Sierra 2500HD pickups, 4WD, extended or crew cab only. Excludes 3500HD, 2WD, standard-cab trucks, GMC AT4 and Chevrolet Trail Boss models. This listing covers the stated 2500HD application only.

Package

Includes one FTS21230 Component Box 1, one FTS21231 Component Box 2 and one FTS21232 Component Box 3 for 2500HD. These provide front and rear crossmembers, driver and passenger steering knuckles, differential relocation brackets and skid plate, two torsion-bar drop brackets, two 2-inch rear blocks, four rear U-bolts, outer tie-rod ends, upper shock mounts, bump-stop and sway-bar mounts, brackets and installation hardware.

Includes two FTS811262 front Dirt Logic 2.25 non-reservoir shocks and two FTS810942 rear Dirt Logic 2.25 non-reservoir shocks. Four shock absorbers are included in total. The factory torsion bars are reused; replacement lower control arms and front coilover assemblies are not included.

Wheels and installation

Aftermarket wheels of 18 inches or larger are required. Fabtech lists 35/13.50R18 tires on 18x9 wheels or 35/13.50R20 on 20x9 wheels, each with 5.75-inch backspacing and minor trimming. Wheels and tires are not included; confirm clearance on the exact vehicle.

Professional installation and alignment are required. Read the Fabtech FT21230 instructions and the specific K1121DL 2500HD package list before ordering and installation.

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