Would be the twin-turbo Edition of the 13B engine built to electric power the third-era RX-seven released in late 1991. Every single rotor on 13B-REW has just one combustion chamber volume of 654cc. With two rotors, the full displacement was 1308cc. Great match for any Mazda swap or substitution venture. https://13b-turbo-engine-for-sale45023.newbigblog.com/45472894/not-known-details-about-rx7-engine