I've purchased about 19 distinct engines from J&J motors and so far just one of their motors has ever damaged down on me, and hat was soon after about 6 months use. They were being swift to sort it out and have me a substitute product, below their guarantee. Really https://https-jdmengineforsale-co44208.bloggip.com/34280702/an-unbiased-view-of-https-jdmengineforsale-com-product-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale