To Get a expression with these outsized importance in vehicle society, "JDM" is undoubtedly an acronym for a reasonably unexciting phrase: Japanese Domestic Market. It refers to goods built and meant for sale and use inside Japan (i.e., not for export). This contains all the things from vehicles just like https://elevemotors.com/product/toyota-supra-1jzgte-non-vvti-engine-1jzgtte-twin-turbo-sr20det-s13-transmission/