I have acquired about 19 various engines from J&J motors and thus far just one of their motors has ever broken down on me, and hat was just after about 6 months use. They ended up rapid to kind it out and acquire me a substitute product, under their warranty. https://dallaslzmyj.mywikiparty.com/1389579/the_5_second_trick_for_https_jdmengineforsale_com_product_jdm_mazda_rx_7_fd_13b_rew_engine_for_sale