rough country 6" lift kit (fits) 2007-2013 chevy silverado gmc sierra 1500 4wd | n3 shocks | knuckles | 23630 rough country gain ride height at an incredible value with rough country's 6" suspension lift. this massive lift affords your truck the ability to run up to an impressive 295/60r-20 tire on factory wheels. our beefy, 100% laser-cut lifted knuckles are designed for a precision fit to your vehicle. includes a set of front and rear high-clearance crossmembers featuring the rcx logo. this 6" lift also comes with a set of durable, fabricated anti-wrap lift blocks that offer a huge boost while helping prevent axle wrap issues. give your pickup a lifted and leveled stance easily, with no modification to the stock differential mounts, drivetrain or exhaust required to install! includes rough country's lifetime replacement warranty. items included: front: lifted knuckles, crossmembers, upper strut spacers, brake line brackets, cv spacers, differential drop brackets, differential skid plate, sway-bar drop brackets, hardware. rear: 5.75" fabricated lift blocks, u-bolts, hardware. (2) rear n3 shocks drilling/cutting required does not fit 2007 "classic", electric steering, or awd models 18" or larger wheels are required.