Could be the twin-turbo Edition with the 13B engine meant to ability the 3rd-era RX-seven introduced in late 1991. Every single rotor on 13B-REW has just one combustion chamber volume of 654cc. With two rotors, the overall displacement was 1308cc. Best suit to get a Mazda swap or substitution task. https://mazda-13b-rew-motor-for-s16936.fireblogz.com/61091529/the-definitive-guide-to-13b-rotary-engine-for-sale