Official AlloyGator manufacturers. The AlloyGator alloy wheel protection system is a tried and tested, award winning wheel protection system that vastly reduces the risk of wheel damage. AlloyGators are manufactured to an internationally recognised Quality Management System specification for the automotive industry. AlloyGators are made from super tough nylon to provide superior protection for alloy wheels. The protection system fits between the wheel and tyre and is designed to protect alloy wheels against kerbing and pothole damage.