Would be the twin-turbo Edition with the 13B engine made to energy the 3rd-era RX-seven launched in late 1991. Each and every rotor on 13B-REW has a single combustion chamber quantity of 654cc. With two rotors, the overall displacement was 1308cc. Perfect fit for a Mazda swap or substitute task. https://lanedxogv.bloggazza.com/37703006/fascination-about-rotary-13b