The 5th annual Arizona Sport Shirts Gateway Dirt Nationals presented by O’Reilly Auto Parts will now take place, December 2nd – 4th, 2021. The VP Racing Fuels Gateway Dirt Nationals is the only indoor stock car race featuring Open Wheel Modifieds and Super Late Models. The annual event takes place in December at the Dome at America’s Center in Downtown St. Louis, Missouri. For more information please visit www.gatewaydirt.com.