For GMC Sierra 2500 2001-2010. For GMC Sierra 3500 2001-2010. For Chevrolet Silverado 2500 2001-2010. For Chevrolet Silverado 3500 2001-2010. -Improved Handling: By reducing wheel hop and axle wrap, these traction bars enhance overall vehicle handling, making cornering and maneuvers more precise and confident.