D.O.T. approved for street useEquivalent tread void as the ET Street Radial II, redistributed for improved hydroplane resistance while providing plenty of tread contact for excellent dry tractionProven R2 compound, the same proven compound used on the quickest ?drag radials? on the planet provides superior traction at the strip with little or no burnout requiredTubeless construction provides leak-free seal without the expense and hassle of tubes This product ships in approximately 1 days