Rough Country Suspension Sierra 1500 6-Inch Suspension Lift Kit 110100D (25-26 4WD 3.0L Duramax Sierra 1500 Denali)

Name: Rough Country Suspension 6-Inch Suspension Lift Kit (25-26 4WD 3.0L Duramax Sierra 1500 Denali)
Brand: Rough Country Suspension
SKU: S582559
Price: 1399.95 USD
Availability: OutOfStock
Rating: 4.8 (32 reviews)

Product Information

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

Features & Specs

6-Inch Suspension Lift Designed to Enhance Styling and Off-Road Performance
Durable Steel Knuckles and Differential Brackets Engineered to Maintain Factory Suspension Geometry
Includes Rear Premium Nitrogen-Charged N3 Shocks for Improved Ride Quality
Minor Cutting and Use of a Strut Compressor Required for Installation
Estimated Installation Time: 8 to 10 Hours
Limited Lifetime Replacement Warranty Against Manufacturer Defects
Front-to-Rear Leveling for a Balanced Aggressive Stance
High-Clearance Crossmember Design to Optimize Suspension Geometry
Heavy-Duty Cast Knuckles for Extreme Durability
Precision Laser-Cut Components Designed with Advanced CAD Engineering
Durable Fabricated Rear Blocks Stronger than Cast Alternatives
Requires 20-Inch or Larger Aftermarket Wheels with 4.5-Inch Backspacing
Fits 25-26 4WD 3.0L Duramax Sierra 1500 Denali

Brand

Rough Country Suspension

Lift Height

6.00 Inch

Lift Kit Type

Spacer Lift

Lift Kit Max Tire Size

35 Inch

Brand of Shocks

Rough Country

Rear Lift Type

Spacer

Shock Style

No Shock

Description

Advanced Suspension Upgrade. The Rough Country Suspension 6-Inch Suspension Lift Kit enhances your truck’s stance and off-road capability by providing a substantial lift while maintaining factory ride quality. Engineered to work seamlessly with Advanced Suspension Systems, this lift offers both superior performance and aggressive styling for enthusiasts seeking improved ground clearance and bold aesthetics.

Construction and Appearance. This kit features heavy-duty steel knuckles, differential brackets, and precision laser-cut components engineered with CAD technology to ensure an exact fit. Fabricated rear blocks provide enhanced strength compared to cast alternatives, all designed to maintain proper suspension geometry and guarantee durability under extreme conditions.

Installation. Installation requires moderate mechanical skill, including minor cutting, drilling, and the use of a strut compressor. The process typically takes between eight to ten hours to complete, ensuring a precise and reliable fitment without referencing external resources.

Warranty. A limited lifetime replacement warranty protects against manufacturer defects, providing peace of mind to installers and vehicle owners.

Application. Specifically developed for the 2025-26 four-wheel drive 3.0L Duramax Sierra 1500 Denali, this kit requires compatible aftermarket wheels and adherence to installation requirements to ensure proper fit and performance.

Rough Country Suspension 110100D

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

Install Details & What's in the Box

What's in the Box

(2) Aluminum CV Spacer
(2) Tie Rod End Kit
(4) 9/16ï¿½ x 2 3/4ï¿½ x 13 1/2ï¿½ 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) 2ï¿½ 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
6ï¿½ N3 Loaded Strut Pair
6ï¿½ M1 Loaded Strut Pair
M1 Shock Pair
6ï¿½ Vertex Coilover - Pass
6ï¿½ 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) 1/4ï¿½ x 3/4ï¿½ Bolt
(2) 1/4ï¿½ Lock Nut
(8) 9/16ï¿½ Flat Washer
(8) 9/16ï¿½ Lock Nut
(4) Cam Bolt
(8) 3/4ï¿½ Flat Washer
(2) 18mm x 120mm Bolt
(2) 18mm x 140mm Bolt
(4) 18mm Lock Nut
(8) 7/16ï¿½ Flat Washer
(4) 7/16ï¿½ x 3 1/8ï¿½ x 3 1/4ï¿½ Sq U-bolt
(8) 7/16ï¿½ Lock Nut
(5) 5/16ï¿½ x 1ï¿½ Bolt
(5) 5/16ï¿½ Flat Washer
(5) 5/16ï¿½ 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) 3/8ï¿½ Lock Washer
(1) 4 1/2ï¿½ - 3/16ï¿½ Vent Hose
(1) 3/16ï¿½ Vent Tube Coupler
(2) 1/2ï¿½ Lock Nut
(2) 1/2ï¿½ x 1 1/4ï¿½ Bolt
(20) 3/8ï¿½ Flat Washer
(2) 3/8ï¿½ Lock Nut
(8) 3/8ï¿½ x 1ï¿½ Bolt
(1) 14mm x 100mm Bolt
(1) 14mm x 110mm Bolt
(2) 14mm Lock Nut
(4) 9/16ï¿½ Flat Washer
(4) 1/2ï¿½ Flat Washer
(1) 1/2ï¿½ 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) 3/8ï¿½ Flat Washer
(4) Lower Strut Spacer
(4) 10mm x 80mm Bolt
(2) 6mm Lock Nut
(2) 6mm Flat Washer
(2) 6mm x 20mm Button Head Bolt
(1) Transmission Line Relocation Bracket
(1) 5/16ï¿½ Flat Washer
(4) 10mm x 65mm Bolt
(8) 3/8ï¿½ Flat Washer
(4) 10mm Lock Nut
(2) 1/2ï¿½ Lock Nut
(2) 9/16ï¿½ x 3 1/2ï¿½ Bolt
(2) 9/16ï¿½ Lock Nut
(2) 1/2ï¿½ x 1 1/2ï¿½ Bolt
(4) 9/16ï¿½ Flat Washer
(2) Magneride Rear Shock Bracket Washer
(2) 1/2ï¿½ Flat Washer
(1) 1/2ï¿½ Jam Nut
(1) 10mm Hex Nut
(6) 10mm x 40mm Press-in Stud
(6) 10mm Serrated Flange Nut

Tech Guides:

4.8

Customer Reviews (32)

Questions & Answers

No questions about this product yet. Ask the First Question

Connect with an AmericanTrucks Sales Tech

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

Product Information

Features & Specs

Description

Install Details & What's in the Box

Customer Reviews (32)

Questions & Answers

Will It Fit My Sierra 1500

Related Popular Searches

Truck Categories

Recently Viewed

Resources

Customer Service

About

Shop Sierra 1500

Connect with an AmericanTrucks Sales Tech

Have a minute to review your recent purchases?

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

Product Information

Features & Specs

Description

Install Details & What's in the Box

Customer Reviews (32)

Questions & Answers

Will It Fit My Sierra 1500

Related Popular Searches

Truck Categories

Recently Viewed

Request your Free Ram 1500 Catalog in under a minute

Coming Soon!

$10 off your first order!