20+ GM 2500/3500 Upper Control Arm

PRE-ORDER NOW | SHIPS JANUARY 2026

"You can have any color you want, so long as it's black."

That worked for Henry Ford in 1908.

But it doesn't work in 2025.

The industry standard? Basic black.

Want something different? You know the drill: Buy the kit. Wait for delivery. Find a powder coater. Wait another 2 weeks. Hope they get it right.

We built TSO because we were tired of that BS.

The TSO Upper Control Arms are the first bolt-on upper control arms built your way—12 premium colors, complete custom options, two-tone capability—shipped direct from our Blountville, TN facility.

No waiting. No cutting. No settling.

Just a custom suspension setup that turns heads and breaks necks before you even drop the tailgate.

3" WITHOUT THE HACK JOB.

Them: Want 3" of lift? Great. Grab the angle grinder and cut your frame up. Hope you measured right.
Us: Engineered clearance directly into the control arm. True bolt-on installation. No cutting. No fab work. No regrets.

3-hour DIY install. Zero permanent modifications.

The interactive truck builder shows you exactly what your setup will look like—in real time—before you order.

Pick your base color. Choose your overlay. Add FOX shocks. Watch your truck come to life.

No guessing. No hoping. Just your custom build, rendered on your screen.

WHAT'S INCLUDED:

Every TSO 3" Custom Leveling Kit includes:

✓ TSO Custom Upper Control Arms (pair)

• Your choice of 12 standard colors (or request custom match)
• TSO signature overlay in secondary color (two-tone capability)
• Pre-installed bushings
  

✓ Kryptonite Bolt-In Ball Joints

• Lifetime warranty coverage
  

✓ Complete Hardware Kit

• Every bolt, nut, and washer you need

✓ Installation Instructions

• Step-by-step guide for 3-hour DIY install

✓ Lifetime Limited Warranty

• We stand behind our work

TECHNICAL SPECS:

INSTALLATION TIME: 3 hours (DIY-friendly)
CUTTING REQUIRED: None. Zero. Nada.
ALIGNMENT: Aligns to factory specs
DROOP TRAVEL: Maintains adequate travel for superior ride quality
WARRANTY: Lifetime on control arms | Lifetime on Kryptonite ball joints
MADE: USA—Blountville, TN

FITMENT:

FITS:

• 2020-2025 Chevrolet Silverado 2500HD (2WD/4WD)
• 2020-2025 Chevrolet Silverado 3500HD (2WD/4WD)
• 2020-2025 GMC Sierra 2500HD (2WD/4WD)
• 2020-2025 GMC Sierra 3500HD (2WD/4WD)

DOES NOT FIT:

• AT4X models equipped with DSSV shocks
• ZR2 models equipped with DSSV shocks

UPGRADE YOUR RIDE: ADD FOX SHOCKS

Complete your setup with race-proven FOX Performance Shocks. Available during checkout:

FOX 2.0" Reservoir Shocks - Best for heavy towing and off-road abuse
FOX 2.0" Emulsion Shocks - Solid all-around performance upgrade
FOX 2.5" Performance Elite Shocks - Premium damping for serious builds
FOX 2.5" Performance HTO Shocks - Top-tier performance for no-compromise setups

(Shocks sold separately - select during build process)

BUILD YOUR KIT:

STEP 1: Choose Your Colors
Pick your base color and overlay color. See it update in real-time.

STEP 2: Select Shocks (Optional)
Add FOX performance shocks to complete your setup.

STEP 3: Add Upgrades & Accessories
Dial in your build with available add-ons.

STEP 4: See Your Truck Come to Life

[START BUILDING NOW →]