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An overhaul kit for the R154 gearbox used in Toyota Supra JZA70 applications with the 1JZGTE engine, this OS Giken Super Single kit is specified for a 36mm setup and includes an aluminum cover configuration. It’s intended for transmission rebuilds or refreshes on the JZA70 Supra where the R154 gearbox requires comprehensive service or component replacement to restore shifting reliability.
OS Giken 36mm Toyota Supra JZA70 - 1JZGTE R154 Gearbox Super Single (Alum Cover) Overhaul Kit A
