Is the dual-turbo version with the 13B engine made to ability the third-generation RX-7 released in late 1991. Each and every rotor on 13B-REW has only one combustion chamber quantity of 654cc. With two rotors, the entire displacement was 1308cc. Great fit for the Mazda swap or alternative project. Shop https://jdm-mazda-rx-7-fd-13b-rew22086.blog-a-story.com/14607898/about-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale