Is the dual-turbo Variation on the 13B engine designed to electricity the 3rd-technology RX-7 launched in late 1991. Each individual rotor on 13B-REW has just one combustion chamber volume of 654cc. With two rotors, the overall displacement was 1308cc. Perfect in shape for just a Mazda swap or replacement task. https://www.nwjdmmotors.com