McGaughys 4” Premium Lift Kit | 2024+ 2500HD AT4X/ZR2

McGaughys 4” Premium Lift Kit

For 2024–2025 GMC Sierra 2500HD AT4X / Chevrolet Silverado 2500HD ZR2

Take your AT4X or ZR2 HD to the next level with the McGaughys 4” Lift Kit, engineered specifically for GM’s new off-road heavy-duty lineup. This premium suspension system is designed to work seamlessly with the factory Multimatic DSSV dampers, preserving the truck’s advanced shock performance while adding an aggressive, leveled stance and additional clearance for larger wheels and tires.

If you love the capability and refinement of your factory AT4X or ZR2 but want a more commanding presence, McGaughys delivers the perfect solution — precision fitment, premium components, and proven ride quality, all built to handle whatever road or trail lies ahead.

Kit Highlights:

• 4” Front and Rear Lift for a bold, leveled appearance
• Compatible with factory Multimatic DSSV shocks — no need to replace them
• Retains factory ride quality and suspension geometry
• Durable black powder-coated finish for long-lasting protection
• CNC-engineered components for a precise, bolt-on fit
• Works with factory 20”+ wheels and most 18”+ aftermarket wheels (max 5.75” backspacing)
• Available for both Gas and Diesel models, 2WD or 4WD

Included Components:

• (2) Front Lift Spindles
• (2) Lower A-Arm “No Torsion Drop” Spacers
• (2) Differential Drop Brackets
• (2) Front AT4X Shock Brackets
• (4) U-Bolts and (2) 1.8” Rear Lift Blocks
• (4) 0.25” Rear Leaf Shims
• (2) Rear Leaf Center Pins
• (2) “No Torsion Drop” Brackets
• (4) Front Brake Line Brackets
• (2) Front Sway Bar End Links
• Front and Rear Crossmembers
• Front Skid Plate
• (2) Cutoff Templates
• Complete Hardware Kit

Optional Add-Ons:

Upper Control Arms:
Enhance front-end control and stability with McGaughys heavy-duty control arms, featuring MOOG® ball joints for exceptional strength and durability.

Traction Bars:
Add stability and performance with a set of McGaughys Traction Bars, available for short or long-bed models. These bars reduce axle wrap and improve traction under load while adding a clean, aggressive look.

Boxed Compression Struts:
Strengthen your rear suspension and reduce frame flex with Boxed Compression Struts, designed to complement the lift kit and improve overall chassis rigidity.

Torsion Keys (Optional):
Gain additional front-end adjustability or tire clearance with 2” torsion keys for fine-tuning your ride height.

Vehicle Fitment:

• 2024–2025 GMC Sierra 2500HD AT4X
• 2024–2025 Chevrolet Silverado 2500HD ZR2
• Gas & Diesel Models – 2WD / 4WD
• Compatible with factory Multimatic DSSV shocks

Warranty & Manufacturing:

• Limited Lifetime Warranty on all McGaughys suspension components
• Proudly engineered and manufactured in the USA