{"product_id":"2020-2025-gm-hd-6-lift-kit-falcon-2-1-shocks-44-30621","title":"2020-2025 GM HD 6\" Lift Kit w\/ Falcon 2.1 Shocks (44-30621)","description":"\u003cp\u003eThe ReadyLIFT 6-inch Lift Kit for 2020-2025 GM HD trucks is a comprehensive suspension system engineered to improve stance, capability, and driving dynamics. It utilizes heavy-duty laser-cut steel crossmembers and precision-engineered cast iron knuckles to maintain ideal suspension geometry. By retaining the factory torsion bars in their original location, this kit avoids the ground clearance loss typical of traditional lifts, making it an ideal choice for owners who want a tall, aggressive look combined with refined on-road comfort.\u003c\/p\u003e\n\u003ch6\u003eFeatures\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eDelivers a full 6-inch front lift and 4-inch rear lift for a commanding, level stance.\u003c\/li\u003e\n\u003cli\u003eIncludes four (4) vehicle-specific Falcon 2.1 Monotube Shocks for superior damping and roll control.\u003c\/li\u003e\n\u003cli\u003eInnovative torsion bar relocation brackets keep the torsion bars in the factory position to maximize ground clearance.\u003c\/li\u003e\n\u003cli\u003eOE-style cast-iron knuckles are precisely engineered to ensure proper alignment and steering geometry.\u003c\/li\u003e\n\u003cli\u003eIncludes heavy-duty 3\/16-inch and 1\/4-inch fabricated steel drop crossmembers.\u003c\/li\u003e\n\u003cli\u003eFull-coverage differential skid plate provides essential off-road underbody protection.\u003c\/li\u003e\n\u003cli\u003eEquipped with CNC-machined billet aluminum CV axle spacers to maintain proper driveline angles.\u003c\/li\u003e\n\u003cli\u003eMaintains factory turning radius and overall driving characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eNotes\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eRequires some minor modifications\/trimming for a complete bolt-on installation.\u003c\/li\u003e\n\u003cli\u003eVehicle alignment, headlamp aim, and Advanced Driver Assistance Systems (ADAS) should be recalibrated after installation.\u003c\/li\u003e\n\u003cli\u003eSome trucks equipped with a factory Tow Package may require separate custom-length U-bolts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eCompatibility Notes\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2020-2025 Chevrolet Silverado and GMC Sierra 2500HD\/3500HD 4WD and AT4 models.\u003c\/li\u003e\n\u003cli\u003eNot compatible with AT4X or ZR2 trim levels.\u003c\/li\u003e\n\u003cli\u003eSingle Cab configurations have not been validated for fitment or drivability.\u003c\/li\u003e\n\u003cli\u003eCompatible with factory 20-inch wheels; smaller stock wheels may not fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eTire Fitment\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum Tire Diameter: 37 inches.\u003c\/li\u003e\n\u003cli\u003eRecommended Setup: 37x12.50 tires on a 20x9 wheel with 0 offset (for no rubbing).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eShock Specs\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eShock Type: Falcon 2.1 Monotube Dampers (Front and Rear).\u003c\/li\u003e\n\u003cli\u003eConstruction: 6061-T6 aluminum alloy shock bodies for high impact resistance and heat dissipation.\u003c\/li\u003e\n\u003cli\u003eShaft: 3\/4-inch induction hardened chrome plated shaft to resist corrosion and rock damage.\u003c\/li\u003e\n\u003cli\u003ePiston: Hard-anodized billet aluminum piston with a one-piece Teflon bronze wear band.\u003c\/li\u003e\n\u003cli\u003ePerformance: Tuned specifically for GM HD trucks to improve dynamic roll control and low-speed damping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eSpecs\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eLift Height: 6 inches (Front) \/ 4 inches (Rear).\u003c\/li\u003e\n\u003cli\u003eMaterial: 3\/16-inch and 1\/4-inch steel plate; Cast iron knuckles.\u003c\/li\u003e\n\u003cli\u003eKit Contents: Iron knuckles, drop crossmembers, torsion bar relocation brackets, differential drops, CV spacers, skid plate, rear lift blocks, and Falcon 2.1 shocks.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ReadyLift","offers":[{"title":"Default Title","offer_id":42932057669721,"sku":"44-30621","price":4289.94,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8030\/9593\/files\/44-30621.jpg?v=1766185360","url":"https:\/\/dirtygarage.com\/products\/2020-2025-gm-hd-6-lift-kit-falcon-2-1-shocks-44-30621","provider":"Dirty Garage","version":"1.0","type":"link"}