20112011UP Chevy Silverado & GMC Sierra Denali 2500/3500 HD Heavy Duty Replacement Tie Rod Assemblies; 2011UP Chevy Silverado & GMC Sierra Denali 2500/3500 HD Heavy Duty Replacement Tie Rod Assemblies; Direct bolt on replacement; Features grease fittings at both the tie rod and inner joint; Most popular tie replacement on the market; Stronger than OEM tie rods