The TH350 Modulator Valve Transmission Turbo 350 Th350C GM Chevy Racing OEM Valve is a vintage part made by GM in the United States. This steel valve is designed for universal fitment and is cleaned to ensure quality. It includes the necessary components as shown in the pictures and does not have a core charge. Perfect for those looking to replace or upgrade their automatic transmission parts, this OEM valve is a reliable choice for Chevy and GM vehicle owners.