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This Fabtech lift system is engineered for the verified 2020-2021 GMC Sierra 2500 HD application and the additional applications listed below. Match the complete vehicle, drivetrain, suspension configuration, lift height, and manufacturer part number before ordering.
Key Features
- This new 4 System capitalizes on Toyota Tundras large wheelwell opening to allow use of 35 tall tires with minimum lift height.
- The system includes replacement upper control with a.120 wall DOM arm with heavy duty extended range ball joints that provide additional strength to the front suspension.
- Heavy duty extended length steering knuckles are included to provide proper functionality of the factory ESC (Electronic Stability Control) with 35 tall tires.
- The knuckles retain the stock track width keeping the tires under the front fenders.
- The front differential is relocated to keep CV angles proper during the full range of travel.
- The design of this 4 System is a new style of suspension that delivers improved performance with fewer parts, and comes with an affordable price.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2020-2021 | GMC | Sierra 2500 HD | AT4, Base, Denali, SLE, SLT |
| 2020-2021 | GMC | Sierra 3500 HD | AT4, Base, Denali, SLE, SLT |
Specifications
| Brand | Fabtech |
|---|---|
| Manufacturer Part Number | FTS21276 |
| Product Type | Lift Kits |
| Condition | New |
| Fitment State | Vehicle Specific |
| Lift Height | 3.5in |
What's Included
One new Fabtech lift system identified by manufacturer part number FTS21276. Companion component boxes and related parts are included only when expressly stated for this exact part number.
About Fabtech
Fabtech develops lift systems, shocks, coilovers, control arms, steering parts, and suspension service components for trucks, SUVs, and Jeeps. Product selection remains exact-application and exact-part-number specific.
Related Fabtech Products
- Fabtech 20-21 GM K2500HD 3.5in Bj UCA Kit w/Stealth
- Fabtech 01-08 GM C/K2500HD C/K3500 Non Dually 8in Perf. System - Component Box 3
- Fabtech 11-19 GM C/K2500HD/3500HD 4in Ultimate System w/Perf. Shocks
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Frequently Asked Questions
Will Fabtech FTS21276 fit my 2020-2021 GMC Sierra 2500 HD?
That application is listed, but confirm the drivetrain, cab or body style, suspension package, production split, lift height, wheel and tire clearance, and every Fabtech application note before ordering.
What should I inspect before installing Fabtech FTS21276?
Inspect the related suspension and steering parts, mounts, bushings, ball joints, brake lines, ABS wiring, driveline angles, fasteners, wheel clearance, and tire clearance. Replace worn or damaged supporting parts before assembly.
Does Fabtech FTS21276 include everything required for installation?
Only components expressly listed for this exact manufacturer part number are included. Shocks, springs, control arms, blocks, brackets, hardware, alignment parts, tools, and companion boxes may be separate depending on the system.
Installation Instructions
Follow the current Fabtech instructions and vehicle service information for this exact part number. Support the vehicle safely, use the specified tools and torque values, inspect all mounts and hardware, verify brake-line, driveline, steering, wheel, and tire clearance, settle the suspension, and complete an alignment whenever geometry or ride height changes. Professional installation is recommended.
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