BROWNSBURG, Ind. The 2025 racing season gets underway this week and Tony Stewart/Curb-Agajanian Racing has revealed its partner lineup and unveiled a fresh look for 10-Time World of Outlaws Sprint Car Series champion, Donny Schatz.

Kicking off this years campaign with the DIRTcar Nationals at Volusia Speedway Park in Barberville, Fla., on Feb. 5 8, Schatz and the No. 15 team will begin its chase of an 12th WoO Sprint Car Series title.

Advance Auto Parts will return as a co-primary partner on Schatzs familiar No. 15 entry for the sixth season alongside Carquest, who enters its sixth season with Schatz.

Carquest also celebrates its 50th anniversary this year.

Ford Performance, the official engine provider for TSR, will also return as a primary partner on Schatz No. 15.

This year will mark Schatzs 29th season as a full-time World of Outlaws driver and his sixth utilizing the FPS 410 powerplant.

Continuing a 15-year relationship with the Brownsburg, Ind. based motorsports operation, Curb-Agajanian Racing will again partner with TSR as a co-entrant for Schatz. Partnering in 2010 for the first time, Curb-Agajanian Racing, Curb Records and TSR own a longstanding tradition of monumental success, acquiring not only victories but seven Knoxville Nationals victories at Iowas Knoxville Raceway and six World of Outlaws championships.

Debuting an innovative marketing relationship this year, Martin One Source joins TSR as the Official Communications Partner of Tony Stewart Racing Sprint Car.

Mobil 1 is set to also return to the team this year.