FD3S performance engine

  • Dowel-Pinned FD 13B Block

    Dowel-Pinned FD 13B Block – Streetport & Bridgeport (In-House Build) | High-Performance Mazda RX-7 FD3S Rotary Engine Block

    $2,500.00

    For rotary enthusiasts seeking a strong foundation for a high-performance engine build, the Dowel-Pinned FD 13B Block – Streetport & Bridgeport (In-House Build) offers the ideal combination of durability, airflow enhancement, and precision preparation. Built from a genuine Mazda RX-7 FD3S 13B block, this professionally prepared rotary platform has been upgraded with dowel pinning, streetport modifications, and bridgeport work performed in-house by experienced rotary specialists.

    Whether you’re building a responsive naturally aspirated setup, a high-horsepower turbocharged street machine, or a dedicated track car, the quality of the engine block determines the reliability and performance of the entire build. This block has been carefully prepared to provide exceptional strength, improved housing alignment, and increased airflow characteristics demanded by serious rotary enthusiasts.

    Designed for performance-minded builders who refuse to compromise, this FD 13B block delivers the confidence needed for aggressive street driving, motorsport applications, and future performance upgrades.

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  • Mazda RX-7 13B-REW Factory Remanufactured Rotary Engine

    Mazda RX-7 13B-REW Factory Remanufactured Rotary Engine – Brand New OEM Mazda Reman Engine for FD3S RX-7

    $4,000.00

    Finding a genuine rotary engine that meets factory specifications has become increasingly difficult as original cores become scarce and rebuild quality varies significantly from one builder to another. The Mazda RX-7 13B-REW Factory Remanufactured Rotary Engine – Brand New / Factory Reman offers enthusiasts, restorers, and performance builders a rare opportunity to purchase a professionally assembled OEM rotary engine built to Mazda remanufacturing standards.

    Unlike used engines or unknown rebuilds, this factory remanufactured 13B-REW is assembled using Mazda-approved procedures and updated components. Designed specifically for the legendary FD3S RX-7 platform, it provides the reliability, performance, and authenticity that rotary enthusiasts demand.

    Whether you’re restoring a collector-grade RX-7, replacing a tired engine, or building a reliable street-performance car, this genuine Mazda remanufactured rotary engine delivers the confidence that comes with OEM engineering and factory-backed assembly standards.

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