Rough Country - 1103 - HD OEM Tie Rod Sleeve Upgrade for Factory Knuckles for Chevrolet: 07-13 Avalanche 1500 4WD/2WD, 07-13 Silverado 1500 4WD/2WD; GMC: 07-13 Sierra 1500 4WD/2WD FEATURES: Easy bolt-on installation; Increases steering link diameter from 1/2-inch to 1-inch; Steel sleeve strengthens steering components NOTES: Fits OEM tie rods only; Does not fit vehicles equipped with lifted knuckles KIT CONTENTS: (2) Heavy duty tie rod sleeves SPECS: Installation Time: 1 hours; Weight: 1.55-lbs FITMENT: Chevrolet: 07-13 Avalanche 1500 4WD/2WD, 07-13 Silverado 1500 4WD/2WD; GMC: 07-13 Sierra 1500 4WD/2WD