Everything about https://jdmengineforsale.com/product/jdm-mazda-rx-7-fd-13b-rew-engine-for-sale/
3. JDM Alliance LLC. reserves the right to repair with rebuilt or serviceable used components, or Trade the engine at its personal discretion and perseverance.Each rotor on 13B-REW has an individual combustion chamber volume of 654cc. With two rotors, the total displacement was 1308cc. Great in good shape for any Mazda swap or substitution job.I ac