Keep Your Horses on the Track. The NT555R is a D.O.T.-approved competition drag radial designed with maximum flexibility for the weekend drag racer. The NT555R combines a high grip compound and semi-racing construction to provide maximum traction at the starting line. The tire comes molded at 6/32 of an inch and features a unique reinforced belt package to provide improved traction and high-speed stability. The NT555R is the perfect performance radial for the street or strip. Walmart cannot ship Nitto Tires to Oregon and Washington due to state restrictions. Tire Installation from $11 per Tire Click Here For More Info