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Rough Country 4" Suspension Lift Kit with Premium N2.0 Series Shocks by Rough Country

Part no: RC-221.20D

Please Verify Fitment

This product fits only specific vehicles. Select your vehicle to ensure it fits.

Product Details

Important Notes:

  • Maximum Tire Size: 32"
  • Requires minor cutting and drilling
  • Requires aftermarket wheels - Factory wheels will NOT work
  • Highly recommended that aftermarket wheels, and/or wheel spacers, be hub-centric


  • 2015-2016 Chevy Colorado with a Diesel Engine
  • 2015-2016 GMC Canyon with a Diesel Engine


The Rough Country 4" Suspension Lift Kit is used to increase ground clearance and maintains a factory-like ride. The front skid plate features a laser cut "RC" logo and the lifted knuckles are designed to keep as close to OE geometry as possible. The rear lift blocks are stronger and have a longer lifespan than cast blocks.

Product Details:

  • Increased ground clearance
  • Maintains factory track width
  • Maintains factory-like ride
  • No welding or strut disassembly required to install
  • No tie rod cutting or replacing required
  • Front skid plate features a laser cut "RC" logo
  • Lifted knuckles are designed to keep as close to OE geometry as possible
  • Rear lift blocks are fabricated - stronger and offer a longer lifespan than cast blocks

Parts Included:

  • (2) Rear Premium N2.0 Series Shocks
  • (2) Lifted Knuckles
  • (2) Lower Strut Extensions
  • (4) Strut Clamps
  • (1) Front Crossmember
  • (1) Rear Crossmember
  • (2) Differential Drop Brackets
  • (2) Sway-bar Links
  • (1) E-Brake Relocation Bracket
  • (1) Front Skid Plate
  • (1) Lower Skid Plate
  • (2) 2.5" Fabricated Lift Blocks
  • (3) Brake Line Relocation Brackets
  • (4) U-Bolts
  • Hardware

Years Covered:

2015 and 2016

For California residents: Proposition 65 Warning

Vehicle Fitment


Additional Information

BrandRough Country
SKU Aliases221.20D, 221.21D
Maximum Tire Size32"
Lift Height4"
Shocks IncludedYes

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