McDowell, who has been running in the Sprint Cup Series since 2008, has participated in 24 Sprint Cup Series events this season, earning a best finish of ninth at Daytona International Speedway in February.
"I'm really excited about the opportunity to drive for Phoenix Racing this weekend in Loudon," said McDowell. "It's a great organization that has only gotten stronger with the addition of Harry Scott. I appreciate SEM's support this weekend and I hope we can go out and give them a great performance."
SEM Products, Inc., whose partnership with Phoenix Racing begins in 2014, will provide adhesives, sealers and paint products to the organization's NSCS team. SEM Products is a leading manufacturer of products for automotive body repair and refinishing. The company, which was founded in 1948, manufactures a wide array of automotive repair products including adhesives, fillers and sealers; flexible coatings; rust and corrosion prevention and treatment; trim paints and truck bed liners.
"The employees at SEM Products are excited to be on the No. 51 entry in Loudon," said Brian Joyner, SEM Products Business Development Manager. "We value our relationship with teams in NASCAR and we're looking forward to adding Phoenix Racing to our family. It should be a great race."