Is the twin-turbo Model with the 13B engine created to electricity the 3rd-era RX-7 released in late 1991. Each individual rotor on 13B-REW has an individual combustion chamber volume of 654cc. With two rotors, the entire displacement was 1308cc. Great in shape for just a Mazda swap or replacement job. https://messiahcdysj.thezenweb.com/5-simple-techniques-for-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale-71857109