GM’s 2019 Sierra features an impressive all-new design that’s built from the ground up, with aggressive angles and head-turning stylings. Put the finishing touch on your truck with Rough Country’s 3.5in Upper Control Arm Suspension Lift! Rough Country’s 3.5in lift features a set of forged aluminum upper control arms to provide the correct suspension geometry in our most durable control arm to date!This perfect-height lift is a great choice for anyone who wants more than a simple level but doesn’t quite want the full height of a 6-inch option. This kit lifts and levels the front of the vehicle with the rear, offering enough increased ground clearance to run up to 295/55R20 tires with an improved, aggressive look.This kit includes Rough Country’s premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged shocks offer a fantastic blend of off-road action and smooth highway ride quality. With a durable 18mm spring-loaded piston rod and faster-cooling 54mm shock body, this shock offers up to 36kN Tensile Strength for a long lifespan of impressive vibration dampening. Features natural rubber bushings and an eye-catching metallic silver paint.This kit also features upgraded ball joints that are easy to install and maintenance free. These POM ball joints offer a greater range of motion for more wheel articulation than standard or OE replacements and feature a Polyoxymethylene ball race with an extremely low coefficient of friction for longer life, and a larger ball diameter to improve range of motion with a maintenance free design. 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. Includes a Lifetime Replacement Guarantee!