Is definitely the twin-turbo Model of the 13B engine created to power the 3rd-technology RX-seven launched in late 1991. Just about every rotor on 13B-REW has a single combustion chamber volume of 654cc. With two rotors, the whole displacement was 1308cc. Perfect in shape for the Mazda swap or substitution https://myleslgybr.total-blog.com/details-fiction-and-rx7-13b-motor-for-sale-55023335