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Home / Suspension & Lift Kits / Lift Kits / Rough Country 26040
Rough CountryPart 26040 · UPC 00840269917141

5-Inch Lift Kit with M1 Shocks for Silverado/Sierra HD (2011-2019)

$1,689.95MAP price
In stock — 75 available
Shipping weight: 280 lb.
  • Fits listed 2011-2019 Silverado and Sierra 2500 HD/3500 HD, 4WD and RWD - review all exclusions before ordering
  • Does not fit dually trucks or trucks with Magnetic Ride Control
  • Kit boxes include two M1 monotube shock pairs, crossmember, front and rear bracket boxes, and both knuckles
  • Factory wheels will not clear; trucks with 17-inch factory wheels need 17-inch or larger aftermarket wheels
  • Minor cutting and drilling required; rear overload springs must be removed where fitted
  • Downloadable installation guide available. Shipping weight: 280 lb

The Trail Fortress check

Will it fit your truck?

✓ Fits

2011–2019 GMC Sierra 2500 HD · 4WD/RWD
BaseDenaliSLESLTWT
2011–2019 Chevrolet Silverado 2500 HD · 4WD/RWD
LTLTZWT
2011–2019 Chevrolet Silverado 3500 HD · 4WD/RWD
LTLTZWT
2011–2019 GMC Sierra 3500 HD · 4WD/RWD
BaseSLESLTWT

+ 1 more applications

✕ Does not fit

  • Dually models
  • Models with Magnetic Ride Control

Requires minor cutting and drilling. Gas models may require modification to the exhaust for driveshaft clearance Factory rear overload springs will NEED to be removed on equipped models. Does NOT work with factory wheels. Models equipped with factory 17-inch wheels must use 17-inch or larger aftermarket wheels due to larger calipers/rotor. Fitment on this page is based on the manufacturer’s application data.

About this kit

5-Inch Lift Kit with M1 Shocks, fitment-checked

Rough Country 26040 is a 5-inch lift kit for listed 2011-2019 Chevrolet Silverado 2500 HD/3500 HD and GMC Sierra 2500 HD/3500 HD trucks in 4WD and RWD. The kit box list includes two M1 monotube shock pairs, a crossmember box, front and rear bracket boxes, and driver and passenger knuckles. Dually trucks and trucks with Magnetic Ride Control are not covered.

This 5-inch lift kit for the 2011-2019 Silverado 2500 HD/3500 HD and Sierra 2500 HD/3500 HD covers WT through LTZ and Denali trims in both 4WD and RWD, as shown in the fitment section. Installation involves minor cutting and drilling, and factory rear overload springs have to come out on trucks that have them. Gas trucks may need exhaust work for driveshaft clearance. Factory wheels will not clear; trucks with the 17-inch factory wheel need 17-inch or larger aftermarket wheels. A downloadable Rough Country installation guide is available, along with an installation video.

What’s in the box

Kit contents

  • 1× Crossmember Box 10130BOX3
  • 1× 5-7in Kit Box 10430BOX1
  • 1× 253x Kit Box 1253BOX6
  • 1× 5" NTD Bracket Box 26030995
  • 1× M1 MONOTUBE SHOCK PAIR 770744P
  • 1× M1 MONOTUBE SHOCK PAIR 770776P
  • 1× Dr Knuckle 1253BOX1
  • 1× Pass Knuckle 1253BOX2
  • 1× 5" NTD Rear Kit Box 26030996

Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 26040 kit fits the vehicles shown in the fitment section above.

Specifications

Specs

BrandRough Country
Part number26040
UPC / GTIN00840269917141
Lift height5 in
Shock packageM1 series
Shipping weight280 lb
Country of originUS
CategorySuspension & Lift Kits › Lift Kits
Installation guideDownloadable PDF

Why buy here

The fitment-first store

Manufacturer-listed exclusions shown. We publish what a part does not fit — before you buy, not after the return.
Sourced from the application data. Fitment on this page comes from the manufacturer’s application catalog, not a copied listing.
Real install docs. The actual step-by-step guide, linked right on the page.