Will be the twin-turbo Edition of your 13B engine intended to energy the third-era RX-7 introduced in late 1991. Each individual rotor on 13B-REW has an individual combustion chamber volume of 654cc. With two rotors, the entire displacement was 1308cc. Best suit for just a Mazda swap or alternative venture. https://alexisddpdc.vidublog.com/29152475/examine-this-report-on-mazda-13b-rew-motor-for-sale