May be the twin-turbo version with the 13B engine intended to electrical power the 3rd-era RX-seven introduced in late 1991. Each rotor on 13B-REW has one combustion chamber quantity of 654cc. With two rotors, the whole displacement was 1308cc. Perfect healthy for any Mazda swap or substitution task. Universal Merchandise https://13b-rotary-motor-for-sale02356.aioblogs.com/91560936/top-rotary-engine-for-sale-secrets