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Rough Country Suspension 4-Inch Suspension Lift Kit with M1 Struts and M1 Rear Shocks (25-26 V8 Sierra 1500 AT4)Find parts that fit my vehicle

Item S582552
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$2,059.95

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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features & Specs

      • Transform Your Truck With A 4-Inch Suspension Lift Designed To Enhance Bold, Aggressive Styling
      • Compatible With Fourth-Generation Silverado 1500 LT Trail Boss, Custom Trail Boss, And AT4 Models Equipped With Factory Two-Inch Lift
      • Preserves Ride Quality By Maintaining Factory Suspension Geometry With Durable Steel Components Including Knuckles, Differential Brackets, And Drop Crossmembers
      • Includes Upper Strut Spacers For Strength And Rigidity To Achieve Lift Height
      • Rear Setup Features Lift Blocks, Premium N3 Shocks, And U-Bolts To Maintain Factory-Like Geometry
      • Provides Clearance To Run 35-Inch Tires Without Additional Modifications
      • Configurable With Multiple Shock Options Including Nitrogen-Charged N3 And Vertex Reservoir Shocks
      • Installation Requires Minor Cutting, Drilling, And Use Of A Strut Compressor
      • Estimated Installation Time Of 8-10 Hours
      • Limited Lifetime Replacement Warranty Against Manufacturer Defects
      • Requires 20-Inch Or Larger Aftermarket Wheels With 4.5-Inch Backspacing
      • Not Compatible With Factory Wheels
      • Fits 25-26 V8 Sierra 1500 AT4 Models Equipped With Factory 2-Inch Lift

      Description

      Suspension Lift Enhancement. The Rough Country 4-Inch Suspension Lift Kit elevates your vehicle’s stance while improving off-road capability and tire clearance. It is engineered to preserve ride quality and maintain vehicle handling characteristics, making it ideal for owners seeking a more aggressive and commanding road presence. This lift kit is suitable for both trail use and city driving, providing versatility and dependable performance.

      Construction and Appearance. The kit features durable steel knuckles, differential brackets, drop crossmembers, and upper strut spacers to preserve factory suspension geometry and provide rigid support. The rear suspension includes fabricated lift blocks and Premium N3 shocks to maintain proper angles and factory-like geometry. All components are designed for strength and reliability in demanding conditions.

      Installation. Installation is moderately challenging, requiring minor cutting, drilling, and a strut compressor. Competent installers can complete the lift kit installation in approximately 8 to 10 hours at home or in a shop.

      Warranty. This lift kit includes a limited lifetime replacement warranty covering manufacturer defects in materials and workmanship from the original purchase date.

      Application. Specifically designed to fit 25-26 V8 Sierra 1500 AT4.

      Rough Country Suspension 110340

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

      Installation & What's in the Box

      What's in the Box

      • (2) 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
      • (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" N3 Loaded Strut Pair
      • 6" M1 Loaded Strut Pair
      • M1 Shock Pair
      • 6" Vertex Coilover - Pass
      • 6" Vertex Coilover - Dr
      • V2 Shock Pair
      • Vertex Shock
      • Crossmember Badge
      • (2) Rear Shock Bracket
      • (2) Nylon Preload Spacer
      • (2) Preload Spacer
      • (2) Strut Spacer
      • (2) RC Strut Cover
      • (2) N3 Shock
      • (1) Front Brake Line Bracket - Dr
      • (1) Front Brake Line Bracket - Pass
      • (2) 1/4" x 3/4" Bolt
      • (2) 1/4" Lock Nut
      • (8) 9/16" Flat Washer
      • (8) 9/16" Lock Nut
      • (4) Cam Bolt
      • (8) 3/4" Flat Washer
      • (2) 18mm x 120mm Bolt
      • (2) 18mm x 140mm Bolt
      • (4) 18mm Lock Nut
      • (8) 7/16" Flat Washer
      • (4) 7/16" x 3 1/8" x 3 1/4" Sq U-bolt
      • (8) 7/16" Lock Nut
      • (5) 5/16" x 1" Bolt
      • (5) 5/16" Flat Washer
      • (5) 5/16" Flange Lock Nut
      • (1) Rear Brake Line Bracket - Dr
      • (3) Rear Axle Brake Line Bracket
      • (4) 10mm x 35mm Bolt
      • (4) 10mm Lock Nut
      • (8) 3/8" Lock Washer
      • (1) 4 1/2" - 3/16" Vent Hose
      • (1) 3/16" Vent Tube Coupler
      • (2) 1/2" Lock Nut
      • (2) 1/2" x 1 1/4" Bolt
      • (20) 3/8" Flat Washer
      • (2) 3/8" Lock Nut
      • (8) 3/8" x 1" Bolt
      • (1) 14mm x 100mm Bolt
      • (1) 14mm x 110mm Bolt
      • (2) 14mm Lock Nut
      • (4) 9/16" Flat Washer
      • (4) 1/2" Flat Washer
      • (1) 1/2" Jam Nut
      • (1) 10mm Hex Nut
      • (6) 10mm x 40mm Press-in Stud
      • (6) 10mm Serrated Flange Nut
      • (4) 10mm x 85mm Bolt
      • (4) 10mm Lock Nut
      • (8) 3/8" Flat Washer
      • (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
      • (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
      • (4) Lower Strut Spacer
      • (4) 10mm x 80mm Bolt

      4.7

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