Is the twin-turbo Variation on the 13B engine created to power the 3rd-generation RX-7 released in late 1991. Just about every rotor on 13B-REW has an individual combustion chamber volume of 654cc. With two rotors, the total displacement was 1308cc. Excellent in shape to get a Mazda swap or replacement https://mazda-rx7-engine-for-sale04691.bloggactivo.com/37980798/13b-turbo-engine-for-sale-an-overview