Will be the twin-turbo Variation on the 13B engine made to ability the 3rd-generation RX-7 released in late 1991. Each individual rotor on 13B-REW has only one combustion chamber quantity of 654cc. With two rotors, the overall displacement was 1308cc. Perfect in shape to get a Mazda swap or replacement https://deanhhffd.buyoutblog.com/30934034/examine-this-report-on-13b-engine-for-sale