Description
Fabtech's 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.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2018 | Chevrolet | Silverado 2500 HD | High Country |
| 2011-2018 | Chevrolet | Silverado 2500 HD | LT |
| 2011-2018 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011-2018 | Chevrolet | Silverado 2500 HD | WT |
| 2018 | Chevrolet | Silverado 3500 HD | High Country |
| 2018 | Chevrolet | Silverado 3500 HD | LT |
| 2018 | Chevrolet | Silverado 3500 HD | LTZ |
| 2018 | Chevrolet | Silverado 3500 HD | WT |
| 2015-2019 | GMC | Sierra 2500 HD | Base |
| 2011-2019 | GMC | Sierra 2500 HD | Denali |
| 2011-2019 | GMC | Sierra 2500 HD | SLE |
| 2011-2019 | GMC | Sierra 2500 HD | SLT |
| 2011-2014 | GMC | Sierra 2500 HD | WT |
| 2018-2019 | GMC | Sierra 3500 HD | Base |
| 2018 | GMC | Sierra 3500 HD | Denali |
| 2018 | GMC | Sierra 3500 HD | SLE |
| 2018 | GMC | Sierra 3500 HD | SLT |
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