SM7
HoosierThe Hoosier SM7 was the official SCCA Spec Miata competition tire from 2014-2020, replacing the SM6. Designed exclusively for the 1990-2005 Mazda Miata platform in P205/50R15 size, the SM7 features a 40 treadwear compound optimized for close, competitive racing. The tire represented a significant improvement over its predecessor with enhanced grip characteristics. In 2020, it was replaced by the SM7.5 which features the same compound but with an "Intermittent Slotted" tread pattern for improved tire life.