FABTECH #K1123 - 4″ Performance System W/ Performance Shocks – 2011-19 Chevy 3500HD /GMC 3500HD 2WD/4WD

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  • Regular price $2,432.05 CAD
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Fabtech’s 4" Performance 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.


  • Heavy Duty 1/4" Thick, High Arched Crossmember
  • Front Differential Skid Plate
  • Ductile Iron Steering Knuckles
  • Rear Block & U-bolt Kit