Is the dual-turbo Variation in the 13B engine created to energy the 3rd-generation RX-seven introduced in late 1991. Every single rotor on 13B-REW has a single combustion chamber volume of 654cc. With two rotors, the overall displacement was 1308cc. Best in good shape for any Mazda swap or substitute challenge. https://jdmmazdarx-7fd13b-rewengi24119.bloginder.com/34481108/jdm-mazda-rx-7-fd-13b-rew-engine-for-sale-an-overview