Is definitely the twin-turbo Model with the 13B engine made to electrical power the third-era RX-7 introduced in late 1991. Just about every rotor on 13B-REW has only one combustion chamber volume of 654cc. With two rotors, the whole displacement was 1308cc. Excellent fit for a Mazda swap or alternative https://13b-turbo-engine-for-sale47902.blogstival.com/60380073/new-step-by-step-map-for-rotary-engine-rx7