JDM signifies a car crafted for sale in the Japanese Domestic Sector (i.e. anyone went into a showroom in Japan and purchased the car)Tags: 13b engine for sale, 13b engine for sale japan, 13b rew engine for sale, 13b rew for sale, 13b rew motor for sale, 13B TWIN TURBO engine for sale, rx7 13b motor for saleYou could possibly query why importing a