Superlift 2019-2022 Chevrolet Silverado GMC Sierra 1500 4WD 4" Trailboss AT4 with SL Shocks Lift Kit K299 | AutoPartsToys

Features:

  • Designed using Original Equipment (OE) CAD data for suspension accuracy
  • Ductile Iron Steering Knuckle for durability
  • Clearance up to a 35 inch � tire
  • Cross-members constructed out of ¼ inch � plate steel.
  • Aligns to OEM specifications
  • Corrects Front to Rear factory rake for a more level stance
  • Anti-Wrap Fabricated Rear blocks and u-bolts for rear lift
  • Grade 8 Hardware
  • Allows for 20 inch � or larger aftermarket wheel
  • Backed by our Limited Lifetime Warranty

Benefits:

  • Retains OEM alignment specifications
  • Industry best ride quality
  • No excessive ball joint or steering components
  • CV axle angles are in the stock parameters
  • Maintains OEM like ride quality and handling characteristics

Technical Notes:

  • Does not Fit with Factory Wheels
  • 20 inch or larger aftermarket wheels are required w/ 4.5 inch � of back spacing
  • Requires cutting and drilling
  • Does not work with GM 1500 Models that include adaptive Ride Control
  • Some minor trimming may be required in order to clear tires larger than 35 inch �
  • Do Not combine with any other suspension lift
  • Due to GMs larger Front Brake set up on the 2019-2010 models, check with the aftermarket wheel manufacturer for wheel compatibility. It is highly recommended that all tire and wheel combinations should be test fitted prior to installation

What is this:

  • This is a complete 4 inch Lift kit for the 2019-2022 Chevrolet Silverado Trail Boss and GMC Sierra AT4 4WD
  • Covered by our Limited Lifetime Warranty
  • Does not work with GM 1500 Models that include adaptive Ride Control

Includes:

  • Front CNC machined steering knuckles, ¼ inch � plate steel control arm cross-members, differential drops, differential skid plate, fabricated rear blocks, U-bolts, and rear shocks.
  • Detailed instruction manual walking you step-by-step through the lift kit installation procedures suitable for do-it-yourselfers (DIY) or professional installation.
  • The best customer service and technical help in the industry.

Installation & Notes:

  • Installation time: 7-8 hours
  • Difficulty level: 2 of 5


Take your 2019-2022 Chevrolet Silverado Trail Boss or GMC Sierra AT4 to new heights with Superlifts 4 inch � lift system. Superlift Suspensions Lift Kits have a strong, modern die-formed design made with the strongest materials to give you a suspension kit that can withstand the most challenging terrain.  Superlift Suspension intentionally over-builds our suspension kits to be the best.  Our uniquely engineered design adds strength and durability, along with bonus features that others do no offer.   
This kit includes front knuckles, front strut spacers, ¼ inch � plate steel control arm cross-members, differential drops, differential skid plate, fabricated rear blocks, u-bolts, and rear shocks.  All required parts are included to make sure your Chevrolet Silverado or GMC Sierra handles and performs in all conditions.

Brand: Superlift

  • 2019-2022 Chevrolet Silverado 1500
  • 2019-2022 GMC Sierra 1500
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