Wheel Spacers 6x5.5 bolt pattern;Wheel hub centric for increased strength;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 after market wheels;Includes Loctite;Sold as a pair;Made in the USA Synergy Manufacturing Synergy Manufacturing Wheel Spacers - 4112-6-55-H 4112-6-55-H Wheel Spacers and Adapters