Sierra 3500 HD

The Cognito Comfort Ride Torsion Bars feature a reduced rate which offers a superior ride in comparison to the stiff OEM torsion bars.Built to OEM standards, this kit is a direct replacement for the OEM bars.FeaturesDirect OEM replacementSofter rate for...

This Force II Cat-Back exhaust system is specifically designed for 2011-2019 GM Silverado/Sierra 2500HD/3500HD crew cab/short bed trucks with the 6.0L engine. This emissions legal system is constructed from 3.50-inch mandrel-bent stainless steel tubing...

Simple Installation:All systems use factory mounting locations providing stability and hassle-free installation.Leak-Free Seal:High quality band clamps are included for a complete 360 degree sealing surface.OE Fit:OE-style bayonet hangers are used to...

Get your Chevy/GMC Silverado/Sierra 2500HD/3500/3500HD in the air with this affordable 3.5 inch suspension lift kit from Tuff Country EZ-Ride Suspension. Once installed this kit will allow you to fit up to 33 inch tall tires (35 inch with minor trimming)...

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...

ICON Vehicle Specific (V.S.) 2.5 Aluminum Series shocks are designed and built to give your vehicle outstanding performance off-road and a smooth ride on the street. These shocks are configured specifically for each application in both length and damping...

ReadyLIFT Suspension is excited to offer 2011-2019 Chevy and GMC 3500HD truck owners a lift solution that won't break the bank nor permanently modify your truck. This is a true bolt-on Lift kit! The 69-3522 SST Lift Kit by ReadyLIFT takes our 69-3521 kit...

Simple Installation:All systems use factory mounting locations providing stability and hassle-free installation.Leak-Free Seal:High quality band clamps are included for a complete 360 degree sealing surface.OE Fit:OE-style bayonet hangers are used to...

Our 4in Ultimate System provides less lift than our 6in RTS system but still allows use of 33in or 35in tall tires with cutting for street and offroad use. We have developed this system utilizing replacement upper control arms constructed of 1.50in OD ...

Our 4in Ultimate System provides less lift than our 6in RTS system but still allows use of 33in or 35in tall tires with cutting for street and offroad use. We have developed this system utilizing replacement upper control arms constructed of 1.50in OD ...

The 3.5" System is available with our Uniball Upper Control Arms that feature .120" wall 4130 Chromoly tubing with a 1.50" OD 1" FK Stainless PTFE Uniballs for 9" of front wheel travel. The system also includes heavy duty ductile iron steering knuckles...

Superlift Suspension Systems now available with Base Superlift Shocks or Fox Shocks: Superlift's 3 Inch Lift kit for the 2011-2019 Silverado and Sierra 2500HD and 3500 HD is a simple solution for adding more height than just a "Leveling Kit". ...