Fabtech 20-26 Chevrolet Silverado 2500HD / GMC Sierra 2500HD 3.5" Uniball UCA Lift Kit with Stealth Shocks
Can I pick up my order or have it installed at your shop?
Can I pick up my order or have it installed at your shop?
Absolutely. We offer local pickup on most products and full professional installation at our shop in Washington, MO. Whether you just want to grab your parts or have our techs handle the install, we’ve got you covered. Give us a quick call at 636-429-7020 or message us to schedule a visit — we’ll make sure the parts are ready when you arrive.
How do I know if this part fits my vehicle?
How do I know if this part fits my vehicle?
Unsure if it’ll fit? No problem — that’s what we’re here for. Send us your vehicle’s year, make, and model, and we’ll verify fitment before you order. We can also point you toward compatible upgrades or supporting parts if needed.
What if I need to return a product or it’s defective?
What if I need to return a product or it’s defective?
Most unused items can be returned within 30 days in their original packaging. Some products are covered by a manufacturer’s warranty as well. If something arrives damaged or doesn’t meet your expectations, just let us know — we’ll help you get it replaced, refunded, or repaired. (Tracking updates are also emailed automatically once your order ships.)
What's the lead time on custom or fabricated parts?
What's the lead time on custom or fabricated parts?
Many of our parts are built to order — especially fabricated or performance components. These can take additional time to produce before shipping. Lead times vary by manufacturer and demand, but we’ll always keep you updated along the way. If you’re working on a tight schedule, reach out before ordering at 636-429-7020 and we’ll confirm current availability or estimated ship dates.
Description
Description
Upgrade your 2020-2026 Chevrolet Silverado 2500HD or GMC Sierra 2500HD 2WD/4WD with the Fabtech 3.5" Uniball UCA Lift Kit with Stealth Shocks. MPN: K1155M. Designed for enthusiasts looking to run up to 35" tires, this heavy-duty suspension system increases ride height, improves off-road capability, and delivers a more aggressive stance while enhancing overall handling and durability.
Why Choose the Fabtech 3.5" Uniball UCA Lift Kit?
- Heavy-Duty Uniball Upper Control Arms – Replaces factory upper ball joints with stronger 1" stainless steel American Uniball bearings for increased suspension strength.
- 4130 Chromoly Construction – 1.50" OD .120" wall tubing reduces flex compared to stock arms for improved road feel and durability.
- Increased Suspension Travel – Uniball upper control arms provide additional wheel travel for improved off-road performance.
- Improved Suspension Geometry – Built-in additional caster helps improve alignment capability with oversized tires.
- Fabtech Stealth Shocks – Sealed monotube shocks provide a smooth highway ride with dependable off-road damping performance.
- Heavy-Duty Torsion Bar Keys – Forged torsion bar keys provide additional ride height adjustment to work with the upgraded control arms.
- 5-Year / 60,000 Mile Powertrain Warranty – Includes Fabtech's free powertrain warranty.
Kit Includes
- Fabtech Uniball upper control arms
- Heavy-duty forged torsion bar keys
- Front Stealth monotube shocks
- Rear Stealth monotube shocks
Fits These Models
2020-2026 Chevrolet Silverado 2500HD 2WD/4WD
2020-2026 GMC Sierra 2500HD 2WD/4WD
Specifications
- Lift Height – 3.5"
- Upper Control Arm Tubing – 1.50" OD .120" wall 4130 Chromoly tubing
- Uniball Bearing – 1" FK Stainless PTFE lined Uniball bearing
- Uniball Pin – 17-4 heat treated Uniball pin fits factory ball joint taper without modification to the spindle
- Misalignments – 17-4 stainless steel misalignments for proper clearance of large Uniballs throughout suspension travel
- Bushing Barrels – .250 wall DOM bushing barrels with welded gussets
- Shock Type – Sealed Stealth monotube shocks with Nitrocarb piston rods
Key Features at a Glance
- MPN: K1155M – Complete 3.5" Uniball UCA suspension lift kit.
- 35" Tire Clearance – Designed for larger tires and increased off-road capability.
- American Uniball Design – Provides increased strength compared to factory upper ball joints.
- Stealth Monotube Shocks – Delivers excellent street comfort with capable off-road damping.
- Billet Uniball Cap – Helps protect the Uniball assembly from dirt and debris.
- Built for Rugged Use – Chromoly construction and reinforced components provide long-term durability.
Notes
- Fabtech Uniball upper control arms use a 17-4 heat treated Uniball pin that fits into the factory ball joint taper without modification to the spindle, allowing an easy return to stock configuration.
SKU: K1155M
Questions? We’re Here to Help.
Have questions about upgrades for your Chevrolet Silverado 2500HD or GMC Sierra 2500HD? Contact FASS Motorsports and we’ll get you dialed:
Phone: 636-429-7020
Email: info@fassmotorsports.com
