Is the twin-turbo Edition of the 13B engine built to electric power the 3rd-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 match for your Mazda swap or replacement undertaking. https://jaidenpphyr.ampblogs.com/5-simple-techniques-for-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale-70520854