rotary swap components

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  • Mazda 12A Rotor Housings

    Mazda 12A Rotor Housings – Excellent Condition

    $1,200.00

    The Mazda 12A Rotor Housings – Excellent Condition offer rotary enthusiasts, engine builders, and restoration specialists an increasingly rare opportunity to secure genuine 12A rotary engine components in highly desirable condition. Finding quality rotor housings for classic Mazda rotary engines has become significantly more difficult over the years, making clean, usable housings a valuable asset for anyone planning a rebuild, restoration, or performance-oriented rotary project.

    These rotor housings have been carefully inspected and present exceptionally well for their age. They show no signs of warpage or shrinking, and there are no cracks around the spark plug holes—two of the most common concerns when sourcing used rotary engine housings. Aside from one very small chrome flake near the exhaust port, the housings remain clean, structurally sound, and fully usable for a wide range of applications.

    Whether you’re rebuilding a classic Mazda RX-7, restoring a vintage rotary-powered vehicle, assembling a spare engine, or building a custom performance motor, these Mazda 12A Rotor Housings – Excellent Condition provide a strong foundation for a successful rotary build.

  • Mazda RX-7 FD Top Half Manifold w/ S5 Lower Adapter

    Mazda RX-7 FD Top Half Manifold w/ S5 Lower Adapter – TPS Included | Performance Rotary Intake Upgrade

    $900.00

    If you’re building a serious rotary-powered project, the Mazda RX-7 FD Top Half Manifold w/ S5 Lower Adapter – TPS Included offers a practical and proven solution for custom intake configurations. Designed for enthusiasts seeking improved intake flexibility, this setup combines the highly desirable FD upper intake manifold with an adapter that allows compatibility with an S5 lower intake manifold.

    Whether you’re completing a Mazda RX-7 restoration, building a high-performance street car, preparing a drift setup, or engineering a custom rotary swap, this intake manifold assembly provides an excellent foundation for achieving your goals.

    Included with the assembly is a functioning Throttle Position Sensor (TPS), helping simplify installation and reduce the need to source additional components. The manifold remains a popular choice among rotary enthusiasts who want the advantages of the FD intake design while utilizing S5 lower manifold configurations.

    This used component is in good condition and is ready to become part of your next performance build.