Is the dual-turbo version in the 13B engine made to ability the third-era RX-seven released in late 1991. Each individual rotor on 13B-REW has just one combustion chamber volume of 654cc. With two rotors, the overall displacement was 1308cc. Best in shape for any Mazda swap or substitution job. Congratulations! https://beautqiyo.amoblog.com/everything-about-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale-55761481