rotary engine airflow upgrade

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    Mazda Rotary Porting Plate – 12A / 13B Performance Upgrade for RX-3, RX-4 & RX-7 SA22C

    $300.00

    The Mazda Rotary Porting Plate – 12A / 13B (RX-3, RX-4, RX-7 SA22C) is a highly sought-after performance component designed for rotary enthusiasts looking to maximize airflow and unlock additional performance from their engine build. Whether you’re rebuilding a classic Mazda rotary engine, performing a bridge port conversion, or planning a full peripheral port race engine, a quality porting plate is an essential part of the process.

    Designed for compatibility with Mazda’s legendary 12A and 13B rotary engines, this porting plate is suitable for a wide range of classic applications, including the Mazda RX-3, RX-4, and first-generation RX-7 SA22C. Built to OEM standards and engineered to withstand the demands of high-performance rotary engines, this component provides the foundation for increased airflow, improved engine breathing, and enhanced power potential.

    For rotary enthusiasts, airflow is everything. The Mazda Rotary Porting Plate helps optimize intake flow characteristics while supporting a variety of porting strategies, making it an excellent choice for both street-driven and track-focused builds.

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