SPS Racing (formerly Sigma Performance Services) is an American professional auto racing team that currently competes in the ARCA Menards Series, ARCA Menards Series East and ARCA Menards Series West. The team is based in Mooresville, North Carolina.
On November 24, 2025, the team announced that they had purchased AM Racing, a team that had been competing in what had been the NASCAR Xfinity Series. They will field an entry in the newly-rebranded O'Reilly Auto Parts Series in 2026. The team has yet to announce the car number, driver(s), sponsors and the crew chief and whether the entry will be fielded full or part-time. Although on January 30, 2026, it was announced that the acquisition of AM Racing was never finalized.
SPS made their debut in the ARCA Menards Series in 2024. They fielded the No. 23 car for Grant Enfinger at season-opener at Phoenix Raceway. Enfinger finished third. Mason Mitchell drove the No. 23 car at Iowa Speedway. He finished fourth. Connor Mosack drove the No. 23 car at Watkins Glen. He finished fifth.
On December 30, 2024, SPS announced that Tyler Reif would return to the team in 2025 to run full-time in the ARCA Menards Series East for the first time and part-time in the main ARCA Menards Series in their No. 23 car. On January 7, 2025, it was announced that Legge would make her ARCA debut in the 2025 season-opener at Daytona in the No. 23 car. She finished 39th after being involved in an early wreck. Spencer Gallagher would drive the No. 23 at Talladega Superspeedway, Kansas Speedway, and Charlotte Motor Speedway.
In 2024, Farré would attempt the season opening race at Phoenix Raceway in the No. 24 car, Farré finished in 35th due to electrical issues.
In 2026, Daniel Dye would drive the No. 24 car at Daytona. He finished 4th.
On December 30, 2024, SPS announced that Tyler Reif would return to the team in 2025 to run full-time in the ARCA Menards Series East for the first time and part-time in the main ARCA Menards Series in their No. 23 car.
On April 11, 2025, SPS announced that Spencer Gallagher will drive the No. 24 car at Rockingham.
In 2026, Connor Hall would drive the No. 24 at Hickory.
In 2023, Farré signed Bradley Erickson to drive the No. 23 car from the seventh race onwards after making the team.
In 2024, the team fielded nine drivers. At Sonoma, Sam Mayer would score the team's first pole and win the same night. At Tri-City, the team would sign 2000 NASCAR Craftsman Truck Series and 2002 NASCAR Busch Series champion Greg Biffle. Biffle would finish in ninth place.
At the 2024 season opening race at Phoenix Raceway, Farré finished 35th in the No. 24 car due to electrical issues. He was originally scheduled to enter in the next race at Kevin Harvick's Kern Raceway, but had to withdraw due to his company overseeing the cleanup of the Francis Scott Key Bridge, which had collapsed weeks prior; he would be replaced by Sean Hingorani, who finished in fourth.