Is the dual-turbo Edition on the 13B engine built to power the 3rd-era RX-7 released in late 1991. Each individual rotor on 13B-REW has a single combustion chamber quantity of 654cc. With two rotors, the total displacement was 1308cc. Best fit for any Mazda swap or replacement challenge. Store products https://martinfbssi.blogsidea.com/40183465/the-definitive-guide-to-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale