rotary tuning platform

  • 12A Bridge Port (P-Port) Engine Assembly

    12A Bridge Port (P-Port) Engine Assembly – Renown Racing Built Mazda Rotary Performance Engine

    For rotary enthusiasts seeking the raw, high-revving character that made Mazda rotary engines legendary, this 12A Bridge Port (P-Port) Engine Assembly delivers an uncompromising performance experience.

    Built by Renown Racing, this race-inspired Mazda 12A rotary engine features a full peripheral port (P-Port) configuration designed to maximize airflow, throttle response, and top-end power. Unlike turbocharged setups that rely on boost, this naturally aspirated engine focuses on pure mechanical performance, rewarding drivers with instant response, screaming RPM capability, and the unmistakable sound that only a peripheral port rotary can produce.

    Whether you’re building a dedicated race car, track weapon, circuit racer, or classic rotary project, this engine offers the aggressive performance characteristics serious rotary enthusiasts demand.

    With its competition-focused design and renowned rotary pedigree, this 12A Bridge Port (P-Port) Engine Assembly represents one of the most exciting naturally aspirated rotary engine configurations available.

  • 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 RX-7 FD3S 13B-REW Rotary Engine

    Mazda RX-7 FD3S 13B-REW Rotary Engine – Fresh Rebuild | Twin-Turbo RX-7 Performance Engine

    $2,600.00

    The Mazda RX-7 FD3S 13B-REW Rotary Engine – Fresh Rebuild is an exceptional opportunity for rotary enthusiasts, restorers, and performance builders seeking one of the most iconic Japanese performance engines ever produced. Known worldwide for its lightweight design, twin-turbocharged performance, and incredible tuning potential, the 13B-REW remains a benchmark in rotary engine engineering.

    Freshly rebuilt and prepared for its next chapter, this engine offers the perfect balance of reliability, performance potential, and authentic Mazda rotary heritage. Whether you’re replacing a tired powerplant in your FD RX-7, building a high-performance street car, or creating a dedicated track machine, this rebuilt 13B-REW provides a proven foundation.

    The legendary twin-rotor design delivers smooth high-RPM operation, impressive power delivery, and the unmistakable character that has made the FD3S RX-7 a legend among automotive enthusiasts.

  • 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.