Stay up to date on new products, promotions, and more!

  • Support
  • Company
  • Dealer Locator

3.5in GM Suspension Lift Kit (w/Upper Control Arms)

GM 3.5" Suspension Lift Kit [277.20]
GM 3.5" Suspension Lift Kit [277.20] Installed
GM 3.5" Suspension Lift Kit [277.20] Installed
GM 3.5" Suspension Lift Kit [277.20] CAD
GM 3.5" Suspension Lift Kit [277.20] CAD
GM 3.5" Suspension Lift Kit [277.20] CAD
Rough Country Etched Differential Brackets
In stock
SKU: 277.20 | Brand: Rough Country
Make sure it fits!


Introducing the redesigned GM 3.5" Suspension Lift by Rough Country Suspension Systems with some exciting upgrades to make your off-road experience even better. These updated kits now feature our critically acclaimed N2.0 shock absorbers and fabricated rear blocks.

Our Nitrogen charged N2 Shocks offer the best in balanced performance for on and off-road use, featuring a 10-stage velocity sensitive valving custom tuned for this specific application. That means these shocks are specifically valved for use with this specific vehicle and lift combo, giving you unparalleled performance for any driving situation.

This kit also features upgraded Ball Joints by MOOG, the most trusted name in Ball Joint design. Easy to install and easier to maintain than any other join on the market, the Moog Ball Joint system utilizes two powdered-metal "gusher" bearings with grease grooves to provide the most durable wear surface available. A sealed boot design with grease-relief valve keeps contaminants out while providing a sealed, serviceable environment.

Also included in this kit are a set of fabricated rear blocks. Fabricated blocks are stronger and offer a longer lifespan than cast blocks while being less susceptible to damage and the environment.
Read More

  • Download Instructions
  • Install Time: 4 - 5 hours
    Average estimated install time peformed by a professional shop or mechanic.
  • Features

  • Easy bolt-on installation
  • Maintains factory ride quality
  • Increased ground clearance
  • Able to be returned to stock
  • Levels the front with the rear of the vehicle
  • No need to disassemble your struts to install
  • Differential drops maintain proper axle angle.
  • Differential drops are made from CNC Machined 6061 Billet Aluminum.
  • Differential drops feature Rough Country logo etched into the side.
  • Control arms include Clevite brand OEM style rubber bushings
  • Control arms include upgraded ball joints by MOOG, the most trusted name in ball joint design.
  • Fabricated blocks are stronger and offer a longer lifespan than cast blocks.
  • Includes application valved N2.0 series shock absorbers which offer the best in balanced performance for on and off-road use.
  • Notes

  • Does NOT fit 2007 "Classic" models.
  • Does NOT fit models with electric steering.
  • New fabricated blocks replace your factory block.
  • Retain your factory wheels with our 0.25" wheel spacers (#1065).
This product features Rough Country's Lifetime Replacement Warranty. All products are warranted to be free from defects in material and craftsmanship for the life of the vehicle if utilized in accordance with the manufacturer's instructions for installation and operation of said products. For complete details and coverage information please click here.
We are proud to offer Same Day Shipping. If you place your order before 4pm (cst) your order will be shipped that day. Parts ordered must be in stock for the order to ship. Approximately 97% of all orders placed leave our warehouses within 24 to 48 hours(not including weekends & holidays). For complete details please click here.


  • Front
  • Upper strut spacers
  • Upper control arms
  • Upper MOOG ball joints
  • Differential drop brackets
  • Differential skid plate
  • Hardware
  • Rear
  • 3" fabricated lift blocks
  • U-bolts
  • Hardware
  • Shocks
  • (2) Rear Premium N2.0 series

Fitment Table

Years Drive Make Model
2007-20134WDChevroletSilverado 1500 Pickup
2007-20134WDGMCSierra 1500 Pickup
Always check the product's overview, for more important fitment information


Tire Wheel Backspacing Offset
285/70 R17Factory 17--
285/70 R1717x9-0 to +18mm
285/65 R18Factory 18--
285/65 R1818x9-0 to +18mm
285/55 R20Factory 20--
285/55 R2020x9-0 to +18mm
Due to differences in manufacturing, dimension and inflated measurements, tire and wheel combinations should be test fit prior to installation.


  1. exactly what I was looking for! - Posted by: TylerG (8/18/15)

    This lift was perfect. Exactly what I wanted. Everything fit exactly how is supposed to. I'm running 305 55 20 nitto tea grapplers on stock rims with no problems and they fill the wheel well nicely! Great lift!

  2. Perfect Lift - Posted by: DMceAN (8/15/15)

    Gives your stock raked half ton a hd or better than stance with a excellent ride.Vey impressed with this lift for the price.

  3. Looks great! - Posted by: Justin LZ (7/20/15)

    Love this lift, I am running 285/65r18 nitto trail grapplers on a 18x9 0 offset motometal wheel. It rubbed when backing up so I had to trim little plastic and beat back metal with a rubber mallet, not as bad as it sounds. Rides very smooth and I am very pleased with lift, it is just the right height although I wish I would have asked for a 2 inch rear block because the back is just a little higher than the front, great lift!

  4. Great lift - Posted by: Dakoda (6/21/15)

    Installed the lift 4 months ago, havent had any problems. Definatly would recommend getting this lift.

  5. Great lift - Posted by: James (6/19/15)

    I needed a lift to get me out of bind. And I came across this one. It was affordable and easy to install. I have had it for almost three years and have had zero issues. I run 33x12.50 toyo mt tires on a 20 inch xd hoss wheel. Some minor trimming but really no issues. I did replace the shocks with another set of rough country. After about 60000 miles it was time for new ones. But that's to be expected. I have had no issues with ball joints or abnormale wear and tear. Everything is still holding up great. I highly recommend this lift for someone looking for a little more than what a leveling kit will offer but doesn't want anything to extreme. Great lift by a great company.

  6. Looks mean just enough.lift - Posted by: Ryan (6/8/15)

    Great kit for the price, looks great.

  7. Great lift kit - Posted by: TD (3/3/15)

    I installed one 8 months ago and I love the look it gave my truck I was able to run 305/55r20 with a zero offset on nitto trail grapplers and only had to trim a little love this lift.

  8. Love the look it gives my truck - Posted by: Jax (1/20/15)

    A couple years after install and I've had no problems, definitely use air tools to install will make it alot easier.

  9. Easily installed - Posted by: WESLEY (7/14/14)

    simple install great look hardest part was shaving front diff.

Write Your Own Review

Stars 1 2 3 4 5

You may also like...

Customer Photos