Mickey Thompson has used real world research and development to give the ET Drag slicks the edge over competitive brands. Engineered for maximum traction and consistent ET's with superior construction and compounding for nearly every drag race application.Multiple compounds for maximum traction but yet requires little or no burnout when staging. Acceptable practice for rim width is tread width plus or minus 1 inch. IMPORTANT: ALL DRAG DRIVE TIRES MUST BE MATCHED TO BE WITHIN 1/2'' ROLL OUT. This product ships in approximately 1 days