Could be the twin-turbo Edition of your 13B engine made to energy the 3rd-era RX-seven released in late 1991. Each individual rotor on 13B-REW has only one combustion chamber quantity of 654cc. With two rotors, the whole displacement was 1308cc. Ideal fit for a Mazda swap or alternative project. We https://mazda13bmotorforsale79134.blog-kids.com/39300847/the-best-side-of-rotary-engine-rx7