O'Reilly Auto Parts , originally known as O'Reilly Automotive, Inc., is a publicly traded chain of auto parts stores that started with one store in Springfield, Missouri in 1957. It has since grown to include more than 3,469 stores in 38 states. The corporate headquarters of O'Reilly is located in Springfield.
Pacific Raceways marks the finish line for the three-race, three-state, three-weekend Western Swing. One of the tour’s most breathtaking environments, the facility is parked in the shadow of majestic Mount Rainier and surrounded by towering trees that add more than beauty at the first stop on the Western Swing: They emit tons of power-enhancing oxygen to feed the appetites of the high-horsepower machines, resulting in prime performances.