The Super DIRTcar Series Big Block Modifieds is a big block modified touring series currently owned & operated by World Racing Group. The series primarily races on dirt ovals in the Northeastern United States and Canada along with select dates in Florida and North Carolina. The cars feature big block V8 engines (up to 467 c.i.) that develops over 750 hp and a center-steer style chassis that weighs at least 2,500 lb with driver included.