Is definitely the twin-turbo Variation in the 13B engine intended to energy the 3rd-technology RX-seven released in late 1991. Just about every rotor on 13B-REW has a single combustion chamber quantity of 654cc. With two rotors, the entire displacement was 1308cc. Ideal fit for the Mazda swap or alternative undertaking. https://13b-turbo-for-sale61467.worldblogged.com/35667551/mazda-13b-rew-motor-for-sale-an-overview