Spec MX-5 racers in SCCA competition will ride on a different brand’s rubber next year. Gone are the Toyo RR and RA1 tires and in are the Hoosier SMX and SMXW ones.
The change becomes effective on January 1, 2026 for Hoosier Super Tour, U.S. Majors Tour, and Regional SCCA events. Those with 2025-spec Toyos may use them at Conference …
