Is the twin-turbo Model from the 13B engine meant to electrical power the 3rd-technology RX-7 introduced in late 1991. Each individual rotor on 13B-REW has just one combustion chamber quantity of 654cc. With two rotors, the total displacement was 1308cc. Best in good shape for any Mazda swap or substitution https://arthurgxoes.ltfblog.com/32754597/not-known-details-about-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale