Is the twin-turbo Edition on the 13B engine created to energy the 3rd-technology RX-seven introduced in late 1991. Each individual rotor on 13B-REW has an individual combustion chamber volume of 654cc. With two rotors, the entire displacement was 1308cc. Fantastic suit for your Mazda swap or substitution project. Throttle response https://jdmmazdarx-7fd13b-rewengi50256.goabroadblog.com/32885225/about-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale