Dowel-Pinned FD 13B Block – Streetport & Bridgeport (In-House Build) | High-Performance Mazda RX-7 FD3S Rotary Engine Block
$2,500.00For 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.