rotary motorsports engine

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  • 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 13B Peripheral Port Rotary Engine

    Mazda 13B Peripheral Port Rotary Engine – Performance Build

    $2,000.00

    For rotary enthusiasts who demand maximum naturally aspirated performance and one of the most iconic sounds in motorsports, the Mazda 13B Peripheral Port Rotary Engine – Performance Build delivers a driving experience unlike anything else on the road.

    This freshly built performance-oriented 13B rotary engine features a full peripheral port (PPort) configuration, a setup widely regarded as the ultimate naturally aspirated rotary modification. Designed to maximize airflow and unlock the true high-RPM potential of Mazda’s legendary twin-rotor engine, this build offers exceptional top-end power, razor-sharp throttle response, and the unmistakable race-inspired rotary exhaust note that enthusiasts worldwide recognize instantly.

    Whether you’re building a dedicated track car, a weekend street machine, a competition drift vehicle, or a custom rotary-powered project, this engine provides an incredible foundation for serious performance.

    Built specifically for drivers who appreciate the unique character of rotary power, the Mazda 13B Peripheral Port Rotary Engine – Performance Build combines motorsport-inspired engineering with the timeless appeal of Mazda’s legendary rotary platform.