The Nitto NT555R tire is a drag radial tire for the strip and street designed for max grip at take-off and during straight line acceleration. It is a quasi-slick tire that works great in aired down conditions. The NT555R drag radial is designed to be paired with the Nitto NT555 tire on the front. While the NT555 tire is a summer performance street tire it is a perfect front tire on drag cars. Nitto matches sizing and tread pattern of both product lines so you can always find the right match.. Both tires are D.O.T.-compliant competition drag radial equipped with additional flexibility for weekend drag racer.