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Rough Country Suspension 6-Inch Suspension Lift Kit (25-26 4WD 3.0L Duramax Silverado 1500 High Country)Find parts that fit my vehicle

Item S201290
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32 Reviews
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$1,399.95

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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features & Specs

      • Provides a Balanced, Aggressive Stance with Proper Suspension Geometry
      • High-Clearance Crossmember Design to Maximize Off-Road Capability and Maintain Suspension Integrity
      • Heavy-Duty Cast Knuckles for Enhanced Durability
      • Precision Laser-Cut Components Engineered with Advanced CAD for a Perfect Fit
      • Fabricated Rear Blocks for Increased Strength Over Cast Alternatives
      • Requires Minor Cutting and Use of a Strut Compressor for Installation
      • Includes Front Upper Strut Spacers, Lifted Knuckles, Crossmember, Fabricated Rear Blocks, Brake Line Brackets, and Premium Rear N3 Shocks
      • Compatible with 20-Inch or Larger Aftermarket Wheels Having at Least 4.5 Inches Backspacing; Wheel Fitment Should Be Tested Prior to Installation
      • Fits 25-26 4WD 3.0L Duramax Silverado 1500 High Country

      Description

      Superior Suspension Lift. It is specifically engineered to work seamlessly with vehicles equipped with GM’s Adaptive Ride Control system, preserving factory suspension angles and ride quality.

      Construction and Appearance. This lift kit features heavy-duty cast knuckles, high-strength steel components, and precision laser-cut parts designed using advanced CAD technology to ensure an exact fit. The fabricated rear blocks offer greater strength and durability compared to cast alternatives, built to withstand demanding conditions.

      Installation. Installation requires moderate mechanical experience, including minor cutting and the use of a strut compressor. Drilling is also necessary. The estimated installation time is 8 to 10 hours to achieve proper fitment and alignment.

      Warranty. The kit includes a limited lifetime replacement warranty against manufacturer defects.

      Application. Specifically engineered for the 2025-26 4WD 3.0L Duramax Silverado 1500 High Country, this lift kit requires adherence to fitment specifications related to adaptive ride control systems and wheel sizing.

      Rough Country Suspension 110100D

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      What's in the Box

      • (4) 9/16" x 2 3/4" x 13 1/2" Round U-bolt
      • Lower Skid Plate
      • Diff Drop Bracket - Dr
      • Diff Drop Bracket - Pass
      • Rear Diff Mount
      • Sway Bar Drop - Pass
      • Sway Bar Drop - Dr
      • (2) Rear Lift Block
      • 10MMSTUDBAG-2019
      • 1307BAG1
      • (2) N3 Shock
      • (2) 2" Nylon Spacer
      • (2) RC Strut Cover
      • Upper Strut Spacer - Dr
      • Upper Strut Spacer - Pass
      • Front Skid Plate
      • Front Crossmember
      • Rear Crossmember
      • Knuckle - Dr
      • Knuckle - Pass
      • N3 Shock Pair
      • (6) 10mm x 40mm Press-in Stud
      • (6) 10mm Serrated Flange Nut
      • (1) 1/2" Jam Nut
      • (1) 10mm Hex Nut
      • (4) 10mm x 85mm Bolt
      • (4) 10mm Lock Nut
      • (8) 3/8" Flat Washer
      • 217BAG8
      • (1) 5/16" Flange Lock Nut
      • (1) 5/16" x 3/4" Bolt
      • (2) 6mm Lock Nut
      • (2) 6mm Flat Washer
      • (2) 6mm x 20mm Button Head Bolt
      • (1) Transmission Line Relocation Bracket
      • (1) 5/16" Flat Washer
      • 217BAG7
      • (4) 10mm x 65mm Bolt
      • (8) 3/8" Flat Washer
      • (4) 10mm Lock Nut
      • (2) 1/2" Lock Nut
      • (2) 9/16" x 3 1/2" Bolt
      • (2) 9/16" Lock Nut
      • (2) 1/2" x 1 1/2" Bolt
      • (4) 9/16" Flat Washer
      • (2) Magneride Rear Shock Bracket Washer
      • (2) 1/2" Flat Washer
      • 275BAG3
      • (4) 10mm x 65mm Bolt
      • (8) 3/8" Flat Washer
      • (4) 10mm Lock Nut
      • 10MMSTUDBAG-2
      • (1) 1/2" Jam Nut
      • (1) 10mm Hex Nut
      • (6) 10mm x 40mm Press-in Stud
      • (6) 10mm Serrated Flange Nut
      • 217BAG4
      • (4) Lower Strut Spacer
      • (8) 3/8" Flat Washer
      • (4) 10mm Lock Nut
      • (4) 10mm x 80mm Bolt

      Tech Guides:

      4.8

      Customer Reviews (32)

      Questions & Answers

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      Will It Fit My Silverado 1500

      • 3.0L I6 Duramax - 25, 26

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