Moroso DS-2 front drag tires feature an asymmetrical tread pattern to improve high-speed stability by reducing the tire's tendency to "walk" at the top end. Has a 4-ply nylon construction with high-strength bead provides added durability, especially during mounting and dismounting. Ozone-resistant tire compound withstands the harmful effects of the sun and other environmental conditions. Tire has been tested to 300 MPH with 800 lb. load. For 17 inch diameter wheels with a recommended width of 4.5 to 5.5 inches.