Will be the twin-turbo Model of the 13B engine made to ability the third-era RX-7 launched in late 1991. Each rotor on 13B-REW has just one combustion chamber volume of 654cc. With two rotors, the full displacement was 1308cc. Excellent fit for just a Mazda swap or alternative task. their https://mazda-rx-7-engine92582.sharebyblog.com/29676718/mazda-13b-motor-for-sale-an-overview