Is the dual-turbo version on the 13B engine built to electric power the third-generation RX-7 released in late 1991. Just about every rotor on 13B-REW has an individual combustion chamber quantity of 654cc. With two rotors, the entire displacement was 1308cc. Great match for your Mazda swap or replacement venture. https://jdm-mazda-rx-7-fd-13b-rew54220.bloggactif.com/35053005/detailed-notes-on-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale