GMC

Lower the rear of you GM 1500 with Rough Country's 1-1.5in lowering shackles! From the factory, your GM 1500 sits lower in the front than the rear. This economical and simple lowering shackle makes it easy to reduce the amount of rear height, giving you...

The Titanium Signature Series diesel fuel system was engineered by FASS Fuel Systems to be the top performing, longest lasting and most reliable aftermarket filtration system in the diesel industry. Rated at 240 gallons per hour and backed by our limited...

The Titanium Signature Series diesel fuel system was engineered by FASS Fuel Systems to be the top performing, longest lasting and most reliable aftermarket filtration system in the diesel industry. Rated at 220 gallons per hour and backed by our limited...

ReadyLIFT is excited to offer a newly redesigned leveling kit for the GM 1500 series 2WD & 4WD trucks.  The new design provides a leveling solution via an all-new upper strut spacer instead of the horseshoe bottom strut design.  This new design helps...

Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged V2 Monotube Shock Absorber leads the way, delivering impeccable ride quality and performance mile after mile. Rough Country's Monotube V2 Shocks feature an...

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...

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...

GM's 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...

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 3in Upper Control Arm Suspension Lift!This perfect-height...

Rough Country's Canyon/Colorado 3.25-inch Combo Kit gives you the best of both worlds, featuring our popular 2-inch Leveling Kit and our 1.25-inch Body Lift for significant ground clearance in an easy-to-install package that preserves the factory look...

FeaturesIncreased ground clearanceIncludes front and rear bumper bracketsBody lift pucks are made from fiberglass reinforced nylon for superior strength and durabilityFeatures 10.9 grade body mount boltsHardware is zinc coated to protect against the...

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...