Kurt Thomas Busch is a former American auto racing driver. He last competed full-time in the NASCAR Cup Series in 2022, driving the No. 45 Toyota Camry TRD for 23XI Racing. He is the 2004 NASCAR Cup Series champion and the 2017 Daytona 500 winner. He is the older brother of two-time Cup Series champion Kyle Busch.

Stewart–Haas Racing is an American professional stock car racing team that currently competes in the NASCAR Cup Series and the NASCAR Xfinity Series. The team is co-owned by three-time NASCAR Cup Series champion Tony Stewart and Haas Automation founder Gene Haas. It was founded in 2002 as Haas CNC Racing after Haas, whose company was a sponsor of Hendrick Motorsports, elected to form his own team. In 2009, Stewart, who had been driving for Joe Gibbs Racing, made a deal with Haas to drive for the team and in return receive a 50% stake in it.