Aluminum "Tire Cup" Tire Valve Caps Set in Chrome Silver Color. This kit contains 4 aluminum tire valve caps in chrome silver color. The "Tire Cup" valve caps are cylindrical with grip grooves and center strip with triple circular relief. Thanks to its design, screw it up and remove it from the tire valve will be quick and easy. With these covers you will add to your car a detail of the sporty look that will distinguish it from the other cars.