Would be the twin-turbo Edition from the 13B engine made to energy the 3rd-era RX-7 released in late 1991. Every single rotor on 13B-REW has an individual combustion chamber volume of 654cc. With two rotors, the overall displacement was 1308cc. Best match for a Mazda swap or alternative undertaking. In https://brooksefghf.elbloglibre.com/29729793/mazda-13b-rew-motor-for-sale-an-overview