Pacific Dualies carries a spectrum of quality wheel simulators. Pacific Dualies wheel simulators are designed to mount securely to International vehicles and are manufactured with quality in mind. They are manufactured from the highest grade of stainless steel. This product is a bolt-on style dually simulator for wheels with eight lugs. It is an appropriate fit for 16.5 inches wheels. The component parts of this wheel simulator are rear center cap with retainer ring, front center cap with retainer ring, front wheel cover and rear wheel cover.