ReadyLift 69-3421 Chevy Silverado, GMC Sierra 4" SST lift kit

Be the first to review this product

2011-16 2&4WD Chevy Silverado, GMC Sierra 2500HD, 3500HD Tow Package/Dually 4" SST lift kit

Product No: 69-3421 RL

Availability: In stock


Important Notes

This kit is for use on 2011-UP 3500HD trucks WITH Single Rear Wheels and Factory Tow Package Leaf Springs OR Dually Rear Wheels.

Quick Overview

Are you looking to lift your Chevy, GMC truck without permanently denting your bank account or making major modifications? The ReadyLift 4" SST Lift kit for the Chevy Silverado, GMC Sierra 2500HD, 3500HD is a true bolt-on installation with no cutting required. All of the components of this lift kit are designed to be stronger than their stock counterparts while keeping the factory angles intact. Included in the ReadyLift 4” SST Lift kit for the Chevy Silverado, GMC Sierra 2500HD, 3500HD are:

Tube Steel Upper Control Arms
ReadyLIFT® Forged Torsion Keys
CNC Machined Differential Drop Spacers
Heavy -Duty Tie Rod Steering Assemblies
2" Cast Iron Rear Blocks
All Necessary Hardware
Heavy-Duty Rear Shock Extensions
Detailed Install Instructions

**Longer front shocks are required and sold separately.

Call for DISCOUNTED PRICING not available online.

Required and/or Related Items

    • Make: Chevrolet, GMC
    • Model: 2500HD, 3500HD
    • Vehicle: 2011-16 Silverado, Sierra 2500HD, 3500HD Tow Package/ Dually 4" lift kit
    • 2or4: 4WD
    • Tire Size: 34" on factory offset
    • Upsell: 99-3414F RL, 99-3411R RL, 99-3100S RL


ReadyLift lift kit fits the following models:
2011 Silverado, Sierra 2500HD, 3500HD
2012 Silverado, Sierra 2500HD, 3500HD
2013 Silverado, Sierra 2500HD, 3500HD
2014 Silverado, Sierra 2500HD, 3500HD
2015 Silverado, Sierra 2500HD, 3500HD
2016 Silverado, Sierra 2500HD, 3500HD

Please wait...