8" MAX3.3 premium suspension system with Falcon 3.3 shocks and Xtreme-Duty 4130 chromoly fabricated upper control arms, delivering an aggressive stance and up to 37" tire clearance for the 2020-2026 Chevy Silverado and GMC Sierra 2500/3500 HD.
ReadyLIFT's 8" MAX3.3 Suspension System pairs front Falcon 3.3 Fast Adjust shocks with rear adjustable piggyback shocks for a better-than-factory feel on GM HD trucks. The kit includes laser-cut fabricated heavy-duty steel crossmembers, cast iron OE-style knuckles with built-in corrected geometry, torsion arm brackets, forged torsion keys with proper indexing, taller cast rear lift blocks, and ReadyLIFT's fabricated 4130 chromoly upper control arms with corrected ball joint angles.
Fits: 2020-2026 Chevy Silverado / GMC Sierra 2500HD/3500HD. Single Cab configuration has not been validated for fitment and drivability by ReadyLIFT.
Features
- Front Falcon 3.3 Fast Adjust shocks with rear adjustable piggyback shocks
- 3-Position Fast Adjust knob (Soft, Custom, Firm)
- 8-Position Micro Adjust dial for refined damping
- Reservoir design for consistent damping across temperatures
- Xtreme-Duty fabricated 4130 chromoly steel upper control arms
- Heavy-duty fabricated 3/16" and 1/4" steel components with full-coverage 3/16" differential skid plate
- Laser-cut, CNC-formed heavy-duty front/rear drop crossmembers
Tire Fitment
Up to 37x12.50 (37" maximum diameter) for no rub on a 20x9 wheel with 0 offset.
Notes
Some GM HD trucks equipped with the Tow Package may require custom-length U-bolts (purchased separately). Vehicle alignment required after installation. Estimated install time approximately 12 hours (excluding alignment).