NASCAR teams must make minimal modifications to get their Next Gen cars ready to race on Bristol Motor Speedway’s dirt track. The primary changes are a stronger underbody, a diffuser modification, and ...

Five, six, or even seven hundred horsepower is worthless unless you can put that power to the track. We get that power to the track through a complex and integrated system of components; transmission, ...

Racers don't often agree with each other or perceive their world from the same point-of-view, but if you gather together a dozen of them from any category-stock cars, road racing, dragsters, ...

When we hear the name Pirelli, we immediately conjure images of supercars tearing up a racetrack on P-Zeros. While the company has produced off-road tires in the past, namely the Scorpion ATR, dirt is ...

Bristol Motor Speedway trades in asphalt for dirt in its third annual Food City Dirt Race. Cup Series drivers will navigate the Tennessee clay in hopes of securing bragging rights in the specialty ...

PHOENIX — For Kenda Rubber Co. Ltd., there isn't a much better durability test for an off-road tire than watching it land a 100-foot jump — or several — during a race. As Kenda Tire USA Inc. has ...