My son need to have an engine for his auto so we took a chance ,and all I am able to say is thus far so excellent .it had been sent in the well timed manner and after we bought it in and hooked up and everything that that goes https://httpswwwnwjdmmotorscompro97395.blogoscience.com/46026155/the-smart-trick-of-https-www-nwjdmmotors-com-product-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale-that-no-one-is-discussing