Is the twin-turbo Model of the 13B engine designed to electric power the 3rd-generation RX-seven introduced in late 1991. Just about every rotor on 13B-REW has one combustion chamber quantity of 654cc. With two rotors, the whole displacement was 1308cc. Fantastic fit for any Mazda swap or substitution job. Shop https://www.nwjdmmotors.com