JConcepts Stadium truck/SCT sidewall support
JConcepts have developed a new option for tire sidewall support with the release of their inner sidewall support adaptors for Stadium Truck and Short Course Truck use. During high traction or loaded conditions, tire sidewall deflection causes oversteer and inconsistency with driving performance. By adding the inner sidewall support adaptor and gluing it into place, the sidewall effectively becomes much harder and allows a driver to enter smoother arcs and radius turns on the racetrack. Already used in competition, the sidewall support pieces have shown to work on glued, sealed, or naturally grippy surfaces where traction rolling or oversteer is an issue. In addition, when conditions are rough, bumpy, or dusty, the additional support drives smoother and with more consistency.
Source: JConcepts [jconcepts.net]