is the twin-turbo Variation in the 13B engine made to ability the third-technology RX-7 introduced in late 1991. Each and every rotor on 13B-REW has only one combustion chamber quantity of 654cc. With two rotors, the overall displacement was 1308cc. Great in good shape for your Mazda swap or substitute job.Awesome team of oldsters at J&J motors, Pr