Is the twin-turbo Model from the 13B engine built to electrical power the 3rd-technology 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 your Mazda swap or replacement job. https://edgaravncs.dm-blog.com/33948855/the-2-minute-rule-for-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale