Is definitely the twin-turbo Variation from the 13B engine created to power the third-generation RX-seven released in late 1991. Each rotor on 13B-REW has only one combustion chamber quantity of 654cc. With two rotors, the entire displacement was 1308cc. Perfect in good shape for your Mazda swap or substitute venture. https://gregorykvwis.ziblogs.com/29871657/a-secret-weapon-for-custom-rx7