For The time period with this kind of outsized importance in auto lifestyle, "JDM" is an acronym for a reasonably monotonous phrase: Japanese Domestic Sector. It refers to merchandise built and supposed for sale and use in Japan (i.e., not for export). This incorporates almost everything from automobiles just like https://elevemotors.com/product/jdm-mitsubishi-turbo-4g63t-engine-for-sale/