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Description
2020-2025 GM HD 6" Lift Kit w/ Falcon 2.1 Shocks (44-30621)The 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
The 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.
Features
- Delivers a full 6-inch front lift and 4-inch rear lift for a commanding, level stance.
- Includes four (4) vehicle-specific Falcon 2.1 Monotube Shocks for superior damping and roll control.
- Innovative torsion bar relocation brackets keep the torsion bars in the factory position to maximize ground clearance.
- OE-style cast-iron knuckles are precisely engineered to ensure proper alignment and steering geometry.
- Includes heavy-duty 3/16-inch and 1/4-inch fabricated steel drop crossmembers.
- Full-coverage differential skid plate provides essential off-road underbody protection.
- Equipped with CNC-machined billet aluminum CV axle spacers to maintain proper driveline angles.
- Maintains factory turning radius and overall driving characteristics.
Notes
- Requires some minor modifications/trimming for a complete bolt-on installation.
- Vehicle alignment, headlamp aim, and Advanced Driver Assistance Systems (ADAS) should be recalibrated after installation.
- Some trucks equipped with a factory Tow Package may require separate custom-length U-bolts.
Compatibility Notes
- Fits 2020-2025 Chevrolet Silverado and GMC Sierra 2500HD/3500HD 4WD and AT4 models.
- Not compatible with AT4X or ZR2 trim levels.
- Single Cab configurations have not been validated for fitment or drivability.
- Compatible with factory 20-inch wheels; smaller stock wheels may not fit.
Tire Fitment
- Maximum Tire Diameter: 37 inches.
- Recommended Setup: 37x12.50 tires on a 20x9 wheel with 0 offset (for no rubbing).
Shock Specs
- Shock Type: Falcon 2.1 Monotube Dampers (Front and Rear).
- Construction: 6061-T6 aluminum alloy shock bodies for high impact resistance and heat dissipation.
- Shaft: 3/4-inch induction hardened chrome plated shaft to resist corrosion and rock damage.
- Piston: Hard-anodized billet aluminum piston with a one-piece Teflon bronze wear band.
- Performance: Tuned specifically for GM HD trucks to improve dynamic roll control and low-speed damping.
Specs
- Lift Height: 6 inches (Front) / 4 inches (Rear).
- Material: 3/16-inch and 1/4-inch steel plate; Cast iron knuckles.
- Kit Contents: Iron knuckles, drop crossmembers, torsion bar relocation brackets, differential drops, CV spacers, skid plate, rear lift blocks, and Falcon 2.1 shocks.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
The Perfect Firm Pillow l
Size: Queen (1 Count), Color: Original White (Cooling)
It is everything it claims to be, cool, comfortable and strong. I got this for my husband first, he loves it and then got one for my son, he uses it to support his knees and has been sleeping much better since then.
They both needed a firm pillow that is not super soft, firm but not achy.
Finally found the perfect one.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
It works! Quality pillow.
Size: Standard (1 Count), Color: Original White (Cooling)
This does actually provide a cooling effect, and it's very comfortable! The accompanying literature is helpful too. I believe this to be a quality pillow for the price.
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Most comfortable pillow I’ve ever slept on
Size: Queen (1 Count), Color: Crescent White(cooling)
This is the most comfortable pillow I have ever slept on. It doesn't mash down like other pillows. Cradles my neck perfectly plus it’s cool. I broke my neck a couple of years ago and this pillow feels very good and comfortable. Definitely recommend to everyone. Ive used it since May and it’s retained its shape.
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Reviewed in the United States on June 6, 2026
★★★★★ 4
Smell
Size: Queen (2 Count), Color: Original White (Cooling)
The fact that there are not more comments on the smell of these pillows has me worried about some of yall. Listen, I LOVE the weight, and the firmness, it’s perfect for that. However, these pillows are RANK. They have a very strong mildew-ish smell that lingers. I took the outer cover off and washed it and let the pillow air out for a few days, the smell is still very strong when you press your face against it, which one does because it is in fact designed for that purpose. It smells so bad. It’s nauseating. I can smell it through two pillowcases and blanket that I threw on top of them hoping an extra layer would trap the smell. I’ll bake them in the Texas sun tomorrow and hope that helps, because otherwise these are the perfect pillows for someone who wants to feel like they are hugging a torso but can’t stand the sound/feel of someone else breathing. I don’t know…4 stars, if the smell goes away I’ll come back.
Update: many many days later. Either they don’t really smell anymore or I got use to it. They’ve held their firmness and shape well. I like them.
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Reviewed in the United States on March 9, 2026
★★★★★ 5
Actually Cooling Pillow
Size: Queen (1 Count), Color: Original White (Cooling)
This is a really nice pillow, I was worried it would be too soft or too firm but it's just right and it's actually cooling, it feels cool every time I touch it. I've noticed an improvement in sleep since using it. Would recommend!
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Reviewed in the United States on May 27, 2026