Update your semi truck's wheels with enhanced protection against dust, debris, and oil, with the Stemco PSI™ Inflation 6-Hole Oil Hub Cap that ensures you're Ready for the Road Ahead™. With an exterior cover that deflects damage from harmful roadside materials, this removable hub cap is the ideal choice to protect a wheel's lug nuts, bolts, and axles. Crafted with rugged metals and a streamlined design for an easy-to-install or remove procedure. FleetPride is your First Click in Heavy Duty®.