Will be the twin-turbo Model with the 13B engine built to energy the 3rd-technology RX-seven launched in late 1991. Every rotor on 13B-REW has a single combustion chamber quantity of 654cc. With two rotors, the full displacement was 1308cc. Fantastic in good shape for a Mazda swap or substitute challenge. https://13brewengineforsale60525.anchor-blog.com/11165964/a-simple-key-for-13b-rew-for-sale-unveiled