Supreme Suspensions - (2pc) 2009-2014 Nissan 370Z 1" Hub Centric Wheel Spacers 5x4.5" (5x114.3mm) with Lip + M12x1.25 Studs [Silver] FITMENT: 2009 - 2014 Nissan 370Z (2wd + 4wd) CONTENTS: (2pc) Aerospace-Grade Billet Wheel Spacers with Precision-Machined Splined Studs, Installation Hardware, and Supreme Suspensions Pro Pack SPECIFICATIONS: 1 Inch Thick, 5x4.5" (5x114.3mm) Bolt Pattern, M12x1.25 Studs, 66.1mm Hub Centric Center Bore BENEFITS: Positions your wheels 1 inch 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