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Introducing the redesigned GM 3.5-inch 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 N3 shock absorbers and fabricated rear blocks. Our Nitrogen charged N3 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. 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.