could be the twin-turbo Model from the 13B engine meant to energy the 3rd-generation RX-7 released in late 1991. Every rotor on 13B-REW has only one combustion chamber volume of 654cc. With two rotors, the whole displacement was 1308cc. Perfect in shape for a Mazda swap or substitute challenge.Every single Pettit Built Renesis is blueprinted and st