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Home / Suspension & Lift Kits / Lift Kits / Rough Country 85940
Rough CountryPart 85940 · UPC 00840269918759

3 Inch Lift Kit with M1 Shocks for Chevy/GMC 2500HD (2001-2010) — Part 85940

$719.95MAP price
In stock — 153 available
Shipping weight: 60 lb.
  • Kit contents: forged upper control arms, 2 inch leveling kit, 1.5 inch block and U-bolt kit, and two M1 monotube shock pairs
  • FT RPO code models only — verify your Chevy/GMC 2500HD (2001-2010) RPO tag first
  • Will not work with rear overload springs, dual rear wheels, or Autoride (Z55) suspension
  • Bolt-on installation with no cutting, drilling, or welding; torsion bar unloading tool (SKU 1067) required and sold separately
  • Downloadable installation guide available. Shipping weight: 60 lb

The Trail Fortress check

Will it fit your truck?

✓ Fits

Universal part — no vehicle-specific application data.

✕ Does not fit

  • Dual rear wheel models
  • Models equipped with Autoride Suspension (Z55 package) available

Does NOT work on models with rear overload springs. Please verify your vehicle's RPO code to confirm. For a visual, please click here. ONLY fits models with a FT RPO code. To ensure the correct torsion bar keys are supplied, please verify your vehicle's RPO code. Torsion bar unloading tool required for installation. Available here! SKU: 1067 Fitment on this page is based on the manufacturer’s application data.

About this kit

3 Inch Lift Kit with M1 Shocks, fitment-checked

Rough Country 85940 is a 3 inch lift kit built around forged aluminum upper control arms, a 2 inch leveling kit with forged torsion bar adjuster keys, a 1.5 inch rear block and U-bolt kit, and two pairs of M1 monotube shocks. It fits only Chevy/GMC 2500HD trucks (2001-2010) carrying the FT RPO code, so check your RPO tag before ordering. It is not for trucks with rear overload springs, dual rear wheels, or Autoride (Z55) suspension.

What’s in the box

Kit contents

  • 1× Forged Upper Control Arms 1859
  • 1× 1.5 Inch Block & U-Bolt Kit 6573
  • 1× M1 MONOTUBE SHOCK PAIR 770763P
  • 1× M1 MONOTUBE SHOCK PAIR 770782P
  • 1× 2 Inch Leveling Kit 8592

Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 85940 kit fits the vehicles shown in the fitment section above.

Specifications

Specs

BrandRough Country
Part number85940
UPC / GTIN00840269918759
Lift height3 in
Shock packageM1 series
Shipping weight60 lb
Country of originCN
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.