Would be the twin-turbo Model of your 13B engine intended to electrical power the third-generation RX-7 launched in late 1991. Each individual rotor on 13B-REW has a single combustion chamber volume of 654cc. With two rotors, the overall displacement was 1308cc. Ideal healthy for your Mazda swap or substitution undertaking. https://brooksyceee.dailyblogzz.com/30300998/details-fiction-and-rx7-turbo-2-motor-for-sale