Will be the twin-turbo Variation of your 13B engine designed to energy the third-generation RX-seven launched in late 1991. Every rotor on 13B-REW has an individual combustion chamber quantity of 654cc. With two rotors, the overall displacement was 1308cc. Fantastic fit for a Mazda swap or substitution challenge. About VehicleHistory.com https://jaidenvvtur.bloggerchest.com/29685021/rx7-engine-an-overview