ReadyLIFT delivers a performance game changer for the popular 2011-2019 Chevy Silverado and GMC Sierra 2500/3500 HD trucks with the release of our new 3” SST2.1 with 2.1 Falcon shocks. This kit is designed to improve stance performance and capability and includes everything necessary to clear larger wheels and tires. With vehicle-specific performance-tuned Falcon 2.1 dampers on all four corners these lift kits provide a better-than-factory feel.  Falcon Performance Shocks improve performance and comfort regardless of the terrain. The versatility of these systems makes them ideal for daily driving off-road excursions and tow/haul duties.This 62-35160 SST2.1 system provides a 3" front lift with forged torsion keys coupled with heavy-duty fabricated 4130 chromoly steel upper control arms featuring all-new heavy-duty high-angle ball joints and maintenance-free TCT non-bonded pivot bushings. In the rear lift blocks provide for a lifted level stance.Features and Benefits:• 3" Front/ 1" Rear SST Lift Kit• SST lift-specific Forged Torsion Keys• Xtreme-Duty fabricated 4130 chromoly steel upper control arms• 3” SST lift allows up to 34x11.50 with a 20×9” with +18 offset• Vehicle-specific performance-tuned Falcon 2.1 monotube dampers on all four corners.• Improved dynamic roll control and low-speed damping.• Dramatic improvement in on-road comfort and off-road performance.• Optimized fitment for unobstructed suspension travel and articulation.• 6061-T6 aluminum alloy shock body resists Impact to protect internal components.• Smooth-honed internal shock body surface for long-term performance.• 3/4” induction hardened chrome plated shaft resists rock damage corrosion and shaft buckling.• Large shaft diameter provides a wide range of adjustments on adjustable shocks.• Hard anodized 6061-T6 aluminum alloy billet piston.• 1-piece Teflon bronze piston wear band w/ O-ring.