Supreme Suspensions - (4pc) 2000-2010 GMC Sierra 2500HD 2" Wheel Spacers 8x6.5" (8x165.1mm) with M14x1.5 Studs [Black] FITMENT: 2000 - 2010 GMC Sierra 2500HD (2wd + 4wd) CONTENTS: (4pc) Aerospace-Grade Billet Wheel Spacers with Precision-Machined Splined Studs, Installation Hardware, and Supreme Suspensions Pro Pack SPECIFICATIONS: 2 Inches Thick, 8x6.5" (8x165.1mm) Bolt Pattern, M14x1.5 Studs, 130mm Center Bore BENEFITS: Positions your wheels 2 inches outward to correct tire rubbing issues, increase cornering stability, and allow for a more impressive stance; pressed studs eliminate the risk of vibrations INSTALLATION: Easy bolt-on installation takes just minutes with standard hand tools