is the dual-turbo Variation on the 13B engine built to ability the third-generation RX-7 released in late 1991. Each and every rotor on 13B-REW has an individual combustion chamber quantity of 654cc. With two rotors, the full displacement was 1308cc. Excellent suit for a Mazda swap or substitution venture.JDMBUYSELL doesn't sell or invest in cars.