Silverado 3500 HD

New for 2018 - ReadyLIFT now offers our popular 2011-UP GM 2500/3500 HD forged torsion key leveling kit with our all-new heavy-duty fabricated steel upper control arms. Our time-tested torsion key leveling kit is the strongest, safest leveling key system...

Has the rear of your vehicle started to sag, or are you looking to add a bit of lift height? Whatever the case maybe we have you covered at Rough Country. Upgrade your rear suspension with Rough Country's vehicle-specific block and u-bolt kit!Rough...

Rough Country's 3.5in No-Cut Kit offers easy installation and aggressive good looks at an incredible value. Take your truck to new heights with this excellent option for GM HD Models. This kit features a set of high-quality, tubular Upper Control Arms...

Improved Ground Clearance and Ride Quality. Take your workhorse to the next level with Rough Country's 3.5" Knuckle Lift kit. Rough Country's 3.5" Knuckle Kit provides an improved ground clearance and is designed for on or off-road driving. This...

The Allison transmission is the backbone of your L5P Duramax. It's responsible for transmitting large quantities of torque from your V8 diesel powerplant. This torque generates a lot of heat, and if that heat isn't dissipated, it can destroy your...

Improved Ground Clearance and Ride Quality. Take your workhorse to the next level with Rough Country's 3.5" Knuckle Lift kit. Rough Country's 3.5" Knuckle Kit provides an improved ground clearance and is designed for on or off-road driving. This...

Looking for a durable and stylish step bar for your truck? Consider the Westin PRO TRAXX 4 Oval Nerf Step Bars. With 30-degree OE style bends and seamless domed ends, there are no exposed end caps or bolt heads inviting rust. These step bars enhance your...

Ideal Leveling. Is your truck your workhorse? The main attraction to the pick-up line is the accessibility to haul and tow as desired. However, due to the amount of weight in the bed, or the condition of the vehicle's rear leaf springs, this can cause...

Ideal Leveling. Is your truck your workhorse? The main attraction to the pick-up line is the accessibility to haul and tow as desired. However, due to the amount of weight in the bed, or the condition of the vehicle's rear leaf springs, this can cause...

Behold: The pinnacle of off-road performance and smooth ride quality in an affordable package has arrived with Rough Country's 2.5 Vertex 8-Stage Adjustable Reservoir Shocks. These high-performance reservoir shocks offer an elite ride-quality in every...

Westin's HDX Drop Nerf Bars, recognized as 'Best New Exterior Accessory Product' by SEMA, offer truck enthusiasts a perfect blend of style and function. Made from robust 1-piece stainless or mild steel, they promise durability, and the removable steel...

Get a boost, with Westin's R5 M-Series Wheel-to-Wheel Nerf Step Bars. The extra wide 5" footprint step design provides easier and safer vehicle access for both drivers and passengers. Featuring three oversized skid resistant step pads, the R5 M-Series...