is the twin-turbo Model in the 13B engine made to ability the third-technology RX-7 introduced in late 1991. Every rotor on 13B-REW has only one combustion chamber volume of 654cc. With two rotors, the overall displacement was 1308cc. Ideal in good shape for any Mazda swap or substitution undertaking.About VehicleHistory.com Vehicle Record's workfo… Read More