ProTaper Tire Covers. The ProTaper Tire Cover shields your tires from mud and debris during transport, after washdowns, or while waiting on the gate. By keeping your tread clean and ready, it ensures you launch with the traction and control you need to perform at your best. Shields tires from mud and debris during transport. Universal application fits tires 18 - 21 inches. Stores compactly in provided container. Durable, tear-resistant material. Includes two covers.