
3 Inch Lift Kit with M1 Shocks for Chevy/GMC 2500HD (2001-2010) — Part 85940
- 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
| Brand | Rough Country |
| Part number | 85940 |
| UPC / GTIN | 00840269918759 |
| Lift height | 3 in |
| Shock package | M1 series |
| Shipping weight | 60 lb |
| Country of origin | CN |
| Category | Suspension & Lift Kits › Lift Kits |
| Installation guide | Downloadable PDF |
Why buy here