Is definitely the twin-turbo Edition of the 13B engine made to electrical power the third-technology RX-7 released in late 1991. Each rotor on 13B-REW has one combustion chamber volume of 654cc. With two rotors, the whole displacement was 1308cc. Ideal in good shape for the Mazda swap or replacement challenge. https://waylonotwab.jaiblogs.com/65857240/the-ultimate-guide-to-13b-turbo-for-sale