-
$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.
-
$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.
-
$3,500.00
Product Overview
For Sale: Rebuilt Mazda RX-7 13B Turbo Bridge Port Motor (SER5 Update) – Block Only
If you’re searching for a serious foundation for your next rotary performance build, this Rebuilt Mazda RX-7 13B Turbo Bridge Port Motor (SER5 Update) – Block Only represents an increasingly rare opportunity. Freshly rebuilt and never started, this engine combines the legendary performance potential of Mazda’s 13B turbo rotary platform with desirable SER5 large dowel upgrades and professional internal enhancements.
Built specifically for enthusiasts who understand the value of a properly prepared rotary engine, this motor features a bridge-ported configuration for improved airflow, brand-new race apex seals, new corner seals, fresh springs, and a new water retention kit. The engine remains essentially untouched since assembly and was only removed from protective wrapping for inspection and photographs.
Whether you’re restoring an FD RX-7, building a dedicated track machine, assembling a high-horsepower street car, or creating a custom rotary-powered project, this rare SER5 large dowel engine provides an exceptional starting point.
Rotary enthusiasts know that finding a fresh, professionally rebuilt 13B turbo engine with the desirable SER5 update is becoming increasingly difficult. This engine eliminates the uncertainty often associated with used rotary motors and provides a proven platform ready for completion according to your specific goals.
