The U.S. District Court in Arizona has declined to make a ruling in the lawsuit between the EPA and Gear Box Z. The EPA claims that the Clean Air Act does not allow a motor vehicle to be converted into a racing vehicle used solely for competition and that equipment installed to make the conversion is illegal. …

A funny thing happened on the way to King of America X powered by Summit… In January, USMTS officials announced the 2021 schedule for the Summit USMTS National Championshi …

Tire Demon has returned for another season to support the Summit USMTS National Championship fueled by Casey’s competitors during the 2021 racing season. Tire Demon will aw …

Competitors from the two most powerful empires in the dirt modified universe will come together Friday and Saturday, April 2-3, to battle each other at the 34 Raceway in West Burlington …

King of America X powered by Summit and the Battle at The Bullring VI driven by G-Style Transport share the spotlight in a gargantuan dirt track racing mega-event set for Wednesday thro …

Super Clean® Tough Task Cleaner-Degreasers will continue to make cleaning super easy and fast so you can spend less time cleaning and more time doing the things you love like at …

The USMTS has adopted a qualifying format in 2021 with drivers participating in group qualifying with their heat race group and then lining up to start the heat race with the top four q …

A return to Indianapolis for the annual PRI Trade Show, an all-new membership drive launching next week, and a 2.0 version of the renowned PRI Road Tour are all part of Performance Raci …

King of America X and the Battle at The Bullring VI will share the spotlight in a gargantuan dirt track racing mega-event set for Wednesday through Saturday, March 24-27, at the Humboldt Speedway. …

Woodward, Oklahoma’s Dereck Ramirez met every challenge that came his way Saturday night at the RPM Speedway in Crandall, Texas, and it paid off with a $10,000 prize and victo …