My son have to have an engine for his motor vehicle so we took a chance ,and all I am able to say is to date so good .it had been shipped in the timely way and when we acquired it in and attached and anything that that goes with https://andersonhqzca.hamachiwiki.com/1390687/the_smart_trick_of_https_jdmengineforsale_com_product_jdm_mazda_rx_7_fd_13b_rew_engine_for_sale_that_nobody_is_discussing