Is definitely the twin-turbo Model from the 13B engine designed to electric power the third-technology RX-7 introduced in late 1991. Every rotor on 13B-REW has an individual combustion chamber quantity of 654cc. With two rotors, the total displacement was 1308cc. Excellent suit to get a Mazda swap or replacement project. https://mazda13brewmotorforsale46789.bloggazzo.com/37710965/built-13b-motor-for-sale-things-to-know-before-you-buy