TOMEI BLOW OFF VALVE For MITSUBISHI EVO 4-6 4G63 191134Brand TOMEI Product Number 191134 Compatible Car MITSUBISHI EVO 4 6 Compatible Engine 4G63 Product Description During the development of the ARMS turbines we also checked the suitable fuel setup, camshafts, compression ratio and collected the right data and setup with the REYTEC and TOMEI ECU. We found the best balance not only for the engine bench dyno but also for the daily driven Sports car use. The data collected during R&D proved to be the best