Would be the twin-turbo Edition in the 13B engine made to power the third-technology RX-seven launched in late 1991. Every rotor on 13B-REW has only one combustion chamber volume of 654cc. With two rotors, the full displacement was 1308cc. Fantastic match for the Mazda swap or substitute challenge. The 13B-REW https://jdmengineforsale.com/