SKU: 49188889570

2020-2025 GM HD Max 3.3 6" Lift Kit w/ Falcon Shocks (42-30660)

Sale price$2069.97 Regular price$2299.97
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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18

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Description

2020-2025 GM HD Max 3.3 6" Lift Kit w/ Falcon Shocks (42-30660)The ReadyLIFT 6 inch MAX3. 3 Premium Suspension System is engineered for 20202025 Chevy Silverado and GMC Sierra 2500 3500 HD trucks. This system is built for serious truck owners who demand superior performance, capability, and confidence both on and off the road. It delivers the ultimate blend of strength, handling, and ride quality, powered by vehicle specific Falcon 3. 3 Fast Adjust Piggyback Shocks. The Falcon shocks provide dual knob

The ReadyLIFT 6-inch MAX3.3 Premium Suspension System is engineered for 2020–2025 Chevy Silverado and GMC Sierra 2500/3500 HD trucks. This system is built for serious truck owners who demand superior performance, capability, and confidence both on and off the road. It delivers the ultimate blend of strength, handling, and ride quality, powered by vehicle-specific Falcon 3.3 Fast Adjust Piggyback Shocks. The Falcon shocks provide dual-knob adjustability, allowing drivers to fine-tune compression and rebound independently for any terrain or load.

Features
  • Delivers 6 inches of lift.
  • Includes Xtreme-Duty fabricated 4130 chromoly steel upper control arms (UCAs) with corrected ball joint angles for long-term durability.
  • Features Falcon 3.3 Fast Adjust Dampers on all four corners, providing dual-knob adjustability.
  • Adjustability includes a 3-Position Fast Adjust Knob (Soft, Custom, Firm) for instant changes and an 8-Position Micro Adjust Dial for refined damping.
  • Comes with laser-cut, CNC-formed crossmembers and a full-coverage differential skid plate built from 3/16-inch steel.
  • Utilizes OE-style cast iron knuckles with corrected geometry for proper steering and handling.
  • Includes forged torsion keys and fabricated torsion arm brackets.
  • Features cast rear lift blocks for a level stance.
Notes
  • GM HD trucks with the factory Tow Package may require custom-length U-bolts, which must be purchased separately.
  • Vehicle alignment, headlamp aim, and Advanced Driver Assistance Systems (ADAS) must be checked and adjusted after product installation.
Compatibility Notes
  • Fits 2020-2025 Chevy Silverado and GMC Sierra 2500/3500 HD trucks.
  • Does not work with AT4X or ZR2 models due to factory Multimatic shocks that cannot be replaced.
  • The Single Cab configuration has not been validated for fitment and drivability by ReadyLIFT.
  • Factory wheels can be used if wheel spacers are utilized.
Tire Fitment
  • Maximum tire diameter is 37 inches.
  • Clears up to 37x12.50 tires on 20x9-inch wheels with 0 offset for no rub.
Specs
  • Lift Height: 6 inches.
  • Shock Type: Falcon 3.3 Fast Adjust Dampers (front are coilover/remote reservoir, rears are smooth body/piggyback).
  • Upper Control Arm Material: Xtreme-Duty fabricated 4130 chromoly steel.
  • Kit Contents: Front/Rear Crossmembers, Cast Iron Knuckles, Fabricated UCAs, Falcon 3.3 Shocks, Forged Torsion Keys/Brackets, Differential Drop Brackets, CV Axle Spacers, Full-Coverage Skid Plate, Cast Rear Lift Blocks, Sway Bar End Links, and necessary hardware.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 49188889570

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Heather260
Phoenix, US
★★★★★ 5
The best no show socks
The only no show socks I have ever found that do not slide down. These are very comfortable and the extra tab on the back provides comfort by keeping shoes from rubbing the back of your foot. The top of the sock also comes up high enough to cushion the top of your foot all while still remaining hidden while wearing tennis shoes or even with my hey dudes.
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Reviewed in the United States on November 30, 2025
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Nick
Birmingham, US
★★★★★ 5
Great quality and fast shipping
Size: Medium, Color: (001) Black / Black / Castlerock
These socks are tight but after the first wash and dry , they fit perfect and NEVER slide off , ordered a second pack
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Reviewed in the United States on March 24, 2026
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Bargain Rig
Grantham, US
★★★★★ 5
Comfortable, Durable, and Stylish
Perfect gift choice! Excellent quality socks with a variety of colors to match any wardrobe.
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Reviewed in the United States on November 30, 2025
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Madison R.
Natrona Heights, US
★★★★★ 5
Best no-show socks ever!
Size: 6-10, Color: Black
If you're tired of wearing socks that slip off and show in your sneakers, then you need to try these amazing socks! They are designed to stay in place, even after being active all day. They are incredibly soft and comfortable, and they are truly no-show, so you won't see them at all. I've been using these socks for years and have never had any issues. In fact, I love them so much that I've bought multiple packs, and my family members have started using them too. Don't waste any more time with those annoying socks that slip off and show - give these a try and you won't be disappointed!
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Reviewed in the United States on April 16, 2024
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Krissy
Waukegan, US
★★★★★ 5
The best
Size: 9-11, Color: Black
Seriously the best non slip low cut socks you can find. They stay in place all day and I love the fabric. They are thin which I prefer. These are really the only socks I wear.
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Reviewed in the United States on March 27, 2026

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