Not only are the NASCAR vehicles themselves different from the factory versions — so are the tires. What makes them special?
Answer Width and lack of treads
Known as "slicks" because they are, well, slick, NASCAR tires do not have any treads and are way thicker than your average consumer tires — all to ensure maximum grip at high speeds.
Asked by Vasilii Kulev · Last updated 5 years ago · 45.4K views · SOURCE
