Pro Comp 6in Lift Kit with ES3000 – Chevy



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Product Description

6″ Crossmember/Knuckle Lift Kit w/ Rear ES3000 Nitrogen Gas Charged Shocks
Pro Comp suspension delivers solid performance lift packages that capitalize on GM’s latest chassis designs. Pro Comp suspension products reflect customer driven, racing influenced technology and engineering with a focus on world class manufacturing processes and techniques. Pro Comp is driven by genuine off road enthusiasts. When it comes to your vehicle’s handling, look and performance, Pro Comp knows you don’t make compromises and neither do they. Why bother putting a suspension system together yourself, when you can get the perfect off-road suspension system already packaged for you? Pro Comp suspension lift kits provide a smooth, comfortable ride, while responding to off-road conditions. Pro Comp suspension lift kits help you to get the right height, clearance, and attitude on your vehicle and maintain that “factory” ride quality, while improving handling. Pro Comp suspension lift kits come with all of the necessary mounting hardware and detailed instructions.From the middle of downtown to the middle of nowhere Pro Comp will get you there and back.

  • Part Number: K1144B
  • Front Lift: Strut Spacers
  • Rear Lift Type: Add-A-Leafs / Lift Blocks 
  • Front Lift Amount (IN): 6 Inch 
  • Rear Lift Amount (IN): 6 Inch 
  • Color: Black
  • Shocks: Rear ES3000 Shocks
  • Shock Boots Not Included
  • This is a complete suspension system with everything you need to lift your vehicle including the shocks
  • This kit & all its components are brand new, factory sealed w/ full Pro Comp Lift Shield, 5 year / 60,000 mile powertrain warranty



  • Precision Crafted One Piece Cross Members And High Strength Extended Steering Knuckle Preserve Factory Geometry And Alignment Specs
  • Includes Strut Spacers To Retain The Factory Struts And Nitrogen Charged ES9000 Rear Shocks
  • Allows Use Of Factory Rims With 35 Inch X 12.50 Inch Tires
  • No Exhaust Modification Required
  • Maintains Factory Steering Rack Location To Increase Ease Of Installation



  • Must use 17″ or larger diameter rims
  • Vehicles will require alignment after kit is installed
  • Hubcentric rings are recommended


Wheel/Tire Specs

  • Max Tire Size: 35” x 12.50”
  • : 17” +
  • : 8” – 9.5”
  • Wheel Backspace: 4.5” – 5”
  • : 6 x 5.5”

Parts Included

  • Steering Knuckles
  • Drop Crossmembers
  • Diff Drop Brackets
  • Sway Bar Drops
  • Related Hardware
  • Rear 4″ Blocks
  • Rear U-Bolts
  • Rear Add-A-Leafs
  • CV Style Front Driveshaft
  • Front Spacers
  • Rear ES9000 Series Nitrogen Gas Charged Shocks

ES9000 Series Shock Absorber

The Pro Comp ES9000 is the ultimate nitrogen gas charged shock absorber. With its twin tube design and 10 stage velocity sensitive valving, the ES9000 delivers not only a smooth, comfortable highway ride, but it also enhances off road handling and performance. Engineered for those driving enthusiasts demanding optimum capacity for heavy loads as well as the most demanding driving conditions. It’s a 1 3/8” nylon banded full displacement piston head and double welded shock mounts ensure maximum strength and long lasting durability.
What it does: Pro Comp Shock Absorbers for the hardcore off-road enthusiast. With its masterful design and incredible intuition, the Pro Comp ES9000 not only offers a smooth highway ride, but is also optimized to handle heavy loads, even during the most demanding driving conditions. Along with extreme brawn and durability, and peerless off-road handling, the Pro Comp ES9000 is a perfect representation of unmatched and innovative Pro Comp Shock Absorbers.

What it has: Charged with nitrogen gas encapsulated in a twin tube design, the Pro Comp ES9000 is superlative in on and off-road handling and performance. 10-stage velocity sensitive valving helps the vehicle adjust to driving conditions, and the extreme, heavy-duty design of these Pro Comp Shock Absorbers is specifically engineered for off-road enthusiasts desiring optimum capacity for heavy loads. 1 3/8” nylon banded full displacement head and double welded shock mounts for added durability top off the Pro Comp ES 9000.

  • Superior Stability The Pro Comp ES9000 uses twin tube nitrogen gas technology to ensure stable, reliable performance at all times, and the expanded design increase the fluid capacity of these Pro Comp Shock Absorbers up to 50%.
  • Evolving Performance 10-stage velocity sensitive valving give these Pro Comp Shock Absorbers maximum versatility for every road condition.
  • Quality Craftsmanship The Pro Comp ES9000 uses 1 3/8” nylon banded piston and 5/8” chrome hardened piston rod for the highest quality construction.
  • Pro Comp Suspension Lifetime Guarantee As with all ES series Pro Comp Shock Absorbers, the Pro Comp ES9000 is backed by a Lifetime Guarantee against manufacturer defects and workmanship.
  • Shock Boots Must Be Purchased Separately


Vehicle Fitment

  • 2007-2013 GM T900 Silverado/Sierra 1500 Pickup – Auto Trac – 4WD

If you are unsure of the Suspension Lift Kit you need to fit your vehicle, please contact us before ordering. We are happy to take the time to make sure you get the proper Suspension Lift Kit for your vehicle. We recommend fitment based on published industry guides as well as our many years of experience with Suspension Lift Kits and custom vehicles, however, vehicle fitment may vary, particularly in the case of modified or custom vehicles, or with over sized wheels/tires. Please inspect Suspension Lift Kit for damage/wrong part number before installing or warranty/returns will be void. All sales are final. Before orderingSuspension Lift Kitplease send us the year, make & model of your vehicle. We cannot ship until we have this information. We are an authorized Pro Comp dealer and offer the complete line of Pro Comp products. If you do not see the part you are looking for, give us a call and we will be more than happy to help you find just what your looking for at a competitive price & with unbeatable customer service.

Pro Comp Lift Shield, 5 Year / 60,000 Mile Powertrain Warranty



Additional Information

Drive Type

2WD, 4WD


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