If you’re searching for the ultimate street-ready rotary engine, this 20B with a Borg Warner 300SX-E turbo, ZF 8HP trans, and Link FuryX ECU/Razor PDM in control is built to exceed expectations. Combining legendary Mazda rotary engineering with modern electronics and premium performance components, this complete package delivers exceptional power, reliability, and drivability.
Designed for enthusiasts who demand more than just horsepower, this professionally assembled 20B street engine incorporates proven CNC machining, upgraded internals, advanced engine management, and one of the industry’s most respected turbocharger combinations. Whether you’re building a high-performance RX-7, RX-8, custom drift car, or a one-of-a-kind street machine, this setup provides the ideal foundation.
Every component has been selected with performance, longevity, and ease of tuning in mind, making it suitable for serious street use while remaining capable of supporting demanding motorsport applications.
This block has our Cnc extend porting and doweling, plus all the standard in-house Cnc modifications we offer. I-Rotary apex seals fitted, and Bosch DBW to top it off make it the ultimate 20B street engine.
Take your rotary performance to the next level with this fully upgraded 20B engine, featuring a Borg Warner 300SX-E turbo, ZF 8HP automatic transmission, and advanced Link FuryX ECU with Razor PDM for precise control. Perfect for high-performance builds, this setup delivers unmatched power, reliability, and tunability for rotary enthusiasts and professional tuners.
If you’re searching for one of the most legendary rotary engines ever produced, the JDM 20B REW 3-Rotor Twin-Turbo Mazda Eunos Cosmo Engine is an exceptional opportunity. Highly sought after by collectors, performance enthusiasts, and professional builders, the 20B REW is widely regarded as the pinnacle of Mazda’s production rotary engine technology.
Originally found in the 1990–1995 Mazda Eunos Cosmo, this genuine JDM powerplant features a factory 3-rotor sequential twin-turbocharged configuration paired with its original automatic transmission. Renowned for its smooth power delivery, unmistakable rotary sound, and enormous tuning potential, the 20B REW remains one of the rarest and most desirable Mazda engines ever built.
Whether you’re planning a high-end engine swap, restoring a classic Eunos Cosmo, or building a one-of-a-kind RX-7, this complete 20B engine package provides an authentic foundation for your next project.
