Could be the twin-turbo Edition from the 13B engine designed to ability the third-technology RX-7 released in late 1991. Just about every rotor on 13B-REW has an individual combustion chamber volume of 654cc. With two rotors, the overall displacement was 1308cc. Excellent match for just a Mazda swap or replacement https://reidkldo38270.blogdun.com/29159011/5-simple-statements-about-built-13b-motor-for-sale-explained