NEW! HONDA TIRE VALVE STEM CAPS. Valve Caps Cover Set: Comes with 4 pcs tire valve stem caps. The valve cap is made of fine copper, which is corrosion-resistant and premium alloy leak-proof, beautiful and durable car tire air caps cover accessories. Water-proof and rust-resistant. Stylish & Durable: Die casting the copper molding at one time. Plating the surface to avoid metal oxidization, and rust to improve corrosion resistance, wear resistance, texture and glossiness. Protect Your Car: The tire valve cover can not only protect the valve core from corrosion caused by direct contact with clay, water and snow, but also prevent punctures and ensures stable tire pressure for safe driving.