Wheel Spacers 5x4.5 to 5x5.5 bolt pattern;Wheel lug centric;1.50 thick;CNC machined from billet 6061-T6 aluminum;Features corrosion resistant red anodizing;High grade wheel studs and lug nuts;Can be used with factory or aftermarket wheels;Includes Loctite;Sold as a pair;Made in the USA Synergy Manufacturing Synergy Manufacturing Wheel Spacers - 4112-5-45-55-L 4112-5-45-55-L Wheel Spacers and Adapters