Is the twin-turbo Edition in the 13B engine designed to electricity the 3rd-technology RX-7 released in late 1991. Every 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 substitute undertaking. Instructions https://13b-rew-motor-for-sale51123.blogminds.com/the-greatest-guide-to-rx7-motor-27472929