JRi Shocks will join the Summit USMTS National Championship presented by RacinDirt as a contingency sponsor in 2025, offering substantial rewards for drivers using their products. Ba…

Simpson Performance Products is back for 2025, continuing its role as a contingency sponsor for drivers in the Summit USMTS National Championship presented by RacinDirt. As part of i…

Starting in 2025, Harris Auto Racing will sponsor the Chris Clark Sportsmanship Award for the Summit USMTS National Championship presented by RacinDirt. This award, presented by USMT…

Both part of the family of Holley Performnace Brands, MSD Performance and RaceQuip be supporting USMTS competitors in 2025 with valuable contingency awards. MSD has been innovating i…