rotary street build

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  • 13B Rotary Engine

    13B Rotary Engine Available – Limited-Time Price Reduction | Rebuilt Street Port 13B for Mazda RX-7 FB

    $2,500.00

    If you’re searching for a proven rotary engine for your Mazda RX-7 FB project, this 13B Rotary Engine Available – Limited-Time Price Reduction is a fantastic opportunity. Built using a carefully selected combination of desirable early and late-model Mazda rotary components, this rebuilt 13B offers the performance, reliability, and rotary character enthusiasts demand.

    Featuring a street-ported 4-port configuration, strong compression numbers, low mileage since rebuild, and upgraded 3mm apex seals, this engine is ideally suited for street-driven RX-7s, weekend performance cars, restoration projects, and custom rotary builds.

    Compatible with Mazda RX-7 FB models from 1979–1985, this engine includes both a clutch and flywheel, providing additional value and helping simplify installation. Whether you’re replacing a tired original engine or upgrading to a stronger rotary setup, this rebuilt 13B delivers the perfect blend of classic rotary performance and modern reliability.

    For enthusiasts who appreciate authentic Mazda rotary engineering, opportunities like this are becoming increasingly rare.

  • 13B Turbo II Streetported & Dowel-Pinned

    13B Turbo II Streetported & Dowel-Pinned Engine – Boost-Ready Mazda Rotary Performance Engine

    $2,500.00

    13B Turbo II Streetported & Dowel-Pinned Engine – Boost-Ready Mazda Rotary Performance Engine13B Turbo II Streetported & Dowel-Pinned Engine – Boost-Ready Mazda Rotary Performance Engine

    The 13B Turbo II Streetported & Dowel-Pinned Engine is a proven performance upgrade for rotary enthusiasts seeking the perfect balance between street manners, reliability, and serious turbocharged power potential. Built around Mazda’s legendary 13B Turbo II platform, this engine features two of the most desirable modifications in the rotary world: professional streetporting and dowel pin reinforcement.

    Designed for enthusiasts who want faster spool-up, improved airflow, stronger top-end performance, and enhanced engine integrity under boost, this engine provides an outstanding foundation for both street-driven and track-focused builds.

    Whether you’re restoring an FC RX-7 Turbo II, building a custom rotary project, upgrading an existing setup, or preparing for future power goals, this engine delivers the performance characteristics that have made the 13B Turbo II one of the most respected rotary powerplants ever produced.

    The combination of streetporting and dowel-pinning creates a highly desirable package that improves airflow while helping maintain engine stability under demanding conditions. The result is a rotary engine that retains excellent drivability while offering significantly increased performance potential.

  • Mazda 12A Peripheral Port (P-Port)

    Mazda 12A Peripheral Port (P-Port) – Fuel Injected | High-Performance Rotary Engine for RX-7 Builds

    $2,000.00

    The Mazda 12A Peripheral Port (P-Port) – Fuel Injected is a serious rotary engine built for enthusiasts who demand maximum airflow, aggressive power delivery, and the unmistakable sound that only a peripheral port rotary can produce. Combining Mazda’s legendary 12A rotary platform with a professionally executed peripheral port configuration and fuel injection system, this engine delivers exceptional throttle response, high-RPM capability, and modern drivability.

    Whether you’re restoring a classic RX-7, building a dedicated track machine, or creating a custom rotary-powered project, this setup offers the perfect balance between old-school rotary character and improved fuel delivery technology. The fuel-injected design enhances reliability and tunability while preserving the raw performance that peripheral port engines are known for.

    Built for enthusiasts who appreciate authentic rotary engineering, the Mazda 12A Peripheral Port (P-Port) – Fuel Injected engine is a standout choice for anyone seeking a unique and powerful rotary package.

  • Mazda RX-7 Turbo II 13B Built Engine

    Mazda RX-7 Turbo II 13B Built Engine – Bridgeported Semi-PP Turbo Rotary Motor for RX-7 Performance Builds

    $2,500.00

    The Mazda RX-7 Turbo II 13B Built Engine is designed for rotary enthusiasts seeking a serious performance foundation for high-powered street, strip, or track applications. Built around the proven 13B Turbo II platform, this engine combines upgraded internal preparation, extensive port work, and enhanced structural integrity to create a package capable of handling substantial power while maintaining the unmistakable character of a Mazda rotary engine.

    Featuring a dowel-pinned block, fully bridgeported configuration, and semi-peripheral port design, this engine is built for enthusiasts who demand rapid throttle response, aggressive power delivery, and excellent airflow characteristics. Whether you’re building a dedicated RX-7 project, upgrading an existing FC3S platform, or creating a custom rotary-powered vehicle, this engine provides a strong foundation for naturally aspirated or turbocharged performance.

    The combination of professional machining, carefully executed porting, and proven Turbo II architecture makes this build ideal for serious enthusiasts looking to maximize the potential of the legendary 13B rotary platform.

     

  • Mazda RX-8 SE3P Bridge Port Engine

    Mazda RX-8 SE3P Bridge Port Engine – Fully Rebuilt | Performance Rotary Engine Ready to Install

    $1,100.00

    If you’re searching for a rotary engine that combines reliability, performance, and the unmistakable sound that enthusiasts love, this Mazda RX-8 SE3P Bridge Port Engine – Fully Rebuilt is an outstanding choice.

    Built for drivers who want more than a standard replacement engine, this fully rebuilt RX-8 rotary engine delivers the aggressive idle, improved airflow, and enhanced performance characteristics that make bridge port setups so desirable. Whether you’re restoring an RX-8, upgrading a street car, building a weekend track machine, or preparing a custom rotary project, this engine provides a strong and dependable foundation.

    Unlike unknown used engines with questionable history, this engine has been fully rebuilt and is in good running condition, giving buyers confidence and peace of mind. The bridge port modification enhances the engine’s breathing capabilities while maintaining drivability, making it one of the most popular upgrades among rotary enthusiasts.

    Ready to install and ready to perform, this rebuilt SE3P rotary engine is ideal for enthusiasts who want authentic rotary character without the uncertainty often associated with used powerplants.

  • SA / FC / FD Peripheral Port Rotary Engines

    SA / FC / FD Peripheral Port Rotary Engines – Built for Power

    $2,500.00

    If you’re searching for the ultimate rotary engine setup for your Mazda RX-7 project, the SA / FC / FD Peripheral Port Rotary Engines – Built for Power deliver the airflow, horsepower potential, and unmistakable rotary sound that enthusiasts crave. Designed specifically for performance-minded builders, these engines are engineered to thrive at high RPM while providing the aggressive power characteristics that make peripheral port rotary builds legendary.

    Whether you’re building a dedicated drag car, circuit racer, drift machine, or an extreme street build, these peripheral port rotary engines offer the foundation needed to achieve serious power goals. Built by experienced rotary specialists, each engine is optimized for maximum intake efficiency, improved breathing, and enhanced top-end performance.

    Compatible with multiple Mazda RX-7 generations including the SA22C, FC3S, and FD3S platforms, these engines represent some of the most sought-after rotary configurations available today.