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ReadyLIFT 8'' LIFT KIT - GM SILVERADO / SIERRA 2500HD/3500HD W/ SST 3000 SHOCKS 2020-2022

Our all-new 44-3080 8” lift kits with ReadyLIFT SST3000 shocks are a great option for the customer who wants a taller, lifted height and the ability to run up to 38” tall tires. The 44-3080 lift kits include laser-cut, fabricated heavy-duty steel cross-members, new cast iron OE-style knuckles with the perfect geometry built-in, torsion arm brackets, popular fabricated steel upper control arms with corrected ball joint angles, taller fabricated steel rear lift blocks and new forged torsion keys with the proper amount of indexing. . These new torsion bar relocation brackets eliminate the traditional lowering of the torsion bars, which can inhibit ground clearance from a lift installation and help to improve the overall driving experience. Additionally, each kit includes crucial differential drop brackets and CV axle spacers, 12” sway bar end links, bump stop extensions, OE style cast iron rear lift blocks, heavy-duty steel skid plate, and finally, SST3000 series shocks.
NOTE:  Some GM HD trucks equipped with Tow Package may require custom-length U-bolts purchased separately. Custom U-bolt length may vary by vehicle application.  If the ReadyLIFT kit's standard U-bolts are too short, ReadyLIFT recommends locally sourcing custom U-bolts built to each truck’s specifications.

Tire Fitment

38" Maximum tire diameter
38x12.50 for no rub on a 9" wide wheel with 0 offset

Tire Size Note: ReadyLIFT wheel and tire fitment recommendations are typically based on Wheel Pros wheels and Nitto tires. Due to product differences among tire manufacturers, tire specifications and dimensions including, but limited to, overall diameter, rolling diameter, tread width, aspect ratio, lug pattern, sidewall construction and inflation pressure, will vary meaningfully by tire and wheel manufacturer. Every tire and wheel combination should be test fit prior to installation. Consult your local installer to learn more about the right tire fitment for your application.
Ride Quality Note: When lifting a vehicle and installing aftermarket wheels and tires, a tire manufacturer's construction and material quality can alter vehicle ride quality. When increasing a vehicle wheel and tire size, most larger aftermarket truck and SUV tires are 10-ply (or more) E tires compared to typical OEM 6-ply C tires. This more rigid sidewall construction increases the perception of suspension stiffness often described as ride harshness. The ride, handling, traction, noise, fuel economy, and wear differences between All-Season, All-Terrain, Mud-Terrain, or Trail-Terrain type tires can be significant. Please take into account tire and wheel choice will generally have a meaningful impact on the ride & handling experience.

Kit Components

Heavy Duty welded steel crossmembers

Heavy Duty iron knuckles

Cast iron rear lift blocks with integrated bump stop landing pads.

forged torsion keys with the proper amount of indexing

Heavy duty skid plate.

Assorted hardware and accessories

Includes 4 SST 3000 Shocks



Please read the instructions thoroughly and completely before beginning installation. Installation by a certified mechanic is recommended. ReadyLIFT Suspension Inc. is NOT responsible for any damage or failure resulting from improper installation.

Download Pdf Instructions

Estimated Installation Time: 12 Hours +/- 1 hour (excluding alignment and wheel/tire assembly)

Additional Information

California Residents: Prop 65 WARNING

Features & Benefits:

  • Laser cut, CNC formed heavy-duty front/rear drop crossmembers.
  • Bolt-on installation – well almost. Some slight modifications will be required.
  • OE-style cast iron knuckles have been precisely engineered to provide the ideal geometry to ensure proper alignment and improve the overall driving experience.
  • Increases ground clearance.
  • Includes our new torsion bar relocation brackets that keep the torsion bars in their factory location – no need to lower the torsion bars to lift!
  • 6” lift kits - Allows for 37x12.50 on a 9” wide wheel with zero offset.
  • Available with ReadyLIFT SST3000 F/R shocks.
  • Includes important differential drop brackets and CNC-machined billet Aluminum CV axle spacers.