Fabtech 2025-2026 Chevrolet Silverado 2500HD 3.5" Uniball UCA Lift Kit
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 2025-2026 Chevrolet Silverado 2500HD or GMC Sierra 2500HD 2WD/4WD with the Fabtech 3.5" Uniball UCA Lift Kit with Dirt Logic 2.25 Reservoir Shocks. MPN: K1156DL. Designed for enthusiasts looking to run up to 35" tires, this heavy-duty suspension system improves ground clearance, strengthens suspension components, and delivers a more aggressive stance with enhanced off-road capability.
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 factory arms for improved handling and durability.
- Increased Suspension Travel – Uniball design provides additional wheel travel and improved performance in rugged terrain.
- Optimized Suspension Geometry – Additional caster is built into the arms for improved alignment capability with oversized tires.
- Dirt Logic 2.25 Reservoir Shocks – Premium shocks with stainless steel bodies, NitroSteel® piston rods, and remote aluminum reservoirs for consistent damping.
- 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 Dirt Logic 2.25 remote reservoir shocks
- Rear Dirt Logic 2.25 shocks
- Stainless steel Uniball components
Fits These Models
2025-2026 Chevrolet Silverado 2500HD 2WD/4WD
2025-2026 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 designed to fit factory ball joint taper without spindle modification
- Misalignments – 17-4 stainless steel misalignments for proper clearance throughout suspension travel
- Bushing Barrels – .250 wall DOM bushing barrels with welded gussets
- Shock Construction – Dirt Logic 2.25 stainless steel shock bodies with NitroSteel® piston rods
Key Features at a Glance
- MPN: K1156DL – Complete 3.5" Uniball UCA suspension lift kit.
- 35" Tire Clearance – Built for larger tires and improved off-road capability.
- American Uniball Design – Stronger replacement for factory upper ball joints.
- Dirt Logic 2.25 Reservoir Shocks – Provides consistent damping during demanding off-road use.
- Billet Uniball Cap – Helps keep dirt and debris away from critical suspension components.
- Built for Extreme Conditions – Designed for increased longevity in rugged off-road environments.
Notes
- Fabtech Uniball upper control arms are designed to provide improved suspension strength and travel while maintaining the ability to return to stock using the factory spindle taper.
SKU: K1156DL
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
