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$2,000.00
13B 6-Port Street Port Rotary Engine
If you’re looking for a rotary engine that delivers the perfect balance of performance, drivability, and reliability, this Another 6-Port Street Port 13B Rotary Build, Freshly Put Together and Ready for Action is an excellent choice.
Built with enthusiasts in mind, this freshly assembled 13B combines the proven reliability of the 6-port design with the added airflow and performance benefits of a professionally executed street port. The result is an engine that offers a noticeable increase in power, crisp throttle response, and the unmistakable rotary sound that Mazda enthusiasts love.
Whether you’re restoring an RX-7, building a weekend street machine, completing a custom swap, or upgrading your current rotary setup, this engine provides a solid foundation for a fun and dependable performance build.
Price: $2,000 USD / $2,900 AUD
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$2,000.00
If you’re searching for a serious rotary engine built to handle aggressive power goals, the 13B Turbo II Performance Build – Dowel Pinned & Bridgeported delivers the airflow, durability, and performance foundation enthusiasts demand. Based on the legendary Mazda 13B Turbo II platform found in the FC RX-7, this professionally prepared engine has been upgraded with performance-focused modifications designed to maximize horsepower potential while maintaining reliability under demanding conditions.
Featuring dowel-pinned irons, a fully bridgeported intake configuration, and semi-peripheral port enhancements, this engine is engineered for enthusiasts seeking exceptional top-end performance, aggressive throttle response, and a proven platform for high-boost turbocharged applications.
Whether you’re building a dedicated drag car, a competitive street machine, or a custom rotary-powered project, this engine provides a strong foundation capable of supporting serious performance goals.
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$2,200.00
Another Clean 13B Build with Street Port & Semi PP Setup
If you’re looking for a rotary engine that delivers an outstanding balance of drivability, responsiveness, and power potential, this Another Clean 13B Build with Street Port & Semi PP Setup is an excellent choice. Built for enthusiasts who want more than a stock engine but still value street manners, this setup combines proven street porting with a semi-peripheral port configuration to create a strong and versatile rotary package.
Whether you’re completing an FD RX-7 restoration, upgrading a project car, or building a dedicated performance machine, this 13B rotary engine offers the airflow, throttle response, and power characteristics serious rotary enthusiasts appreciate.
Featuring clean port work, excellent craftsmanship, and a setup designed to maximize performance without sacrificing reliability, this engine is ready to become the heart of your next Mazda rotary build.
Price: $2,200 USD / $3,100 AUD
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$1,800.00
If you’re searching for an authentic rotary powertrain for your Mazda RX-7 project, this JDM Mazda RX-7 FC 13B Rotary 1.3L Engine + 5-Speed Manual Transmission package is an excellent opportunity. Removed from a Japanese-market RX-7 FC, this complete drivetrain package offers enthusiasts, restorers, and performance builders access to one of Mazda’s most iconic rotary engine platforms.
The legendary 13B rotary engine is known for its lightweight design, smooth high-revving characteristics, and endless performance potential. Whether you’re restoring an FC3S RX-7, replacing a worn-out powertrain, or planning a unique rotary engine conversion, this package provides a solid foundation for your next build.
Featuring a genuine JDM 13B rotary engine paired with a matching 5-speed manual transmission, this setup delivers the authentic driving experience rotary enthusiasts appreciate. It’s a highly sought-after combination among Mazda collectors, rotary tuners, and motorsport builders worldwide.
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$2,500.00
The Mazda 13B Street-Ported Half-Bridge Rotary Engine – Dowel Pinned Build is a professionally assembled performance rotary engine designed for enthusiasts seeking serious power potential, improved airflow, and enhanced durability. Built with a combination of street-porting, half-bridge port modifications, and a dowel-pinned block, this engine offers an excellent balance between drivability, reliability, and high-performance capability.
Whether you’re building a street-driven Mazda RX-7, a dedicated track car, or a custom rotary-powered project, this freshly built 13B rotary engine provides a strong foundation for achieving your performance goals. The combination of proven rotary modifications and professional assembly makes this engine an attractive option for enthusiasts who want more than a standard stock rebuild.
Unlike factory engines, this build has been specifically prepared to support increased airflow and stronger power delivery while maintaining the unique characteristics that make rotary engines legendary among performance enthusiasts.
Freshly built and ready for installation, this engine is prepared for its next chapter in a high-quality performance build.
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$1,300.00
If you’re searching for an authentic Mazda 13B-REW rotary engine for your RX-7 restoration, rebuild, or performance project, this genuine early-model FD RX-7 engine is an excellent foundation. Removed from a running vehicle and carefully stored indoors, this twin-turbo rotary engine offers enthusiasts, builders, and tuners the opportunity to acquire one of the most iconic powerplants ever produced by Mazda.
The 13B-REW remains one of the most respected rotary engines in the automotive world. Originally fitted to the legendary Mazda RX-7 FD3S, this engine helped establish the RX-7 as one of Japan’s most celebrated sports cars. Known for its lightweight construction, compact dimensions, smooth power delivery, and impressive tuning potential, the 13B-REW continues to be the preferred choice for rotary enthusiasts around the globe.
Whether you’re restoring a Series 6 RX-7, planning a full engine rebuild, building a street car, or creating a high-horsepower track machine, this Mazda 13B-REW twin-turbo engine provides a solid starting point for your next project.
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$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.
