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For rotary enthusiasts seeking the raw, high-revving character that made Mazda rotary engines legendary, this 12A Bridge Port (P-Port) Engine Assembly delivers an uncompromising performance experience.
Built by Renown Racing, this race-inspired Mazda 12A rotary engine features a full peripheral port (P-Port) configuration designed to maximize airflow, throttle response, and top-end power. Unlike turbocharged setups that rely on boost, this naturally aspirated engine focuses on pure mechanical performance, rewarding drivers with instant response, screaming RPM capability, and the unmistakable sound that only a peripheral port rotary can produce.
Whether you’re building a dedicated race car, track weapon, circuit racer, or classic rotary project, this engine offers the aggressive performance characteristics serious rotary enthusiasts demand.
With its competition-focused design and renowned rotary pedigree, this 12A Bridge Port (P-Port) Engine Assembly represents one of the most exciting naturally aspirated rotary engine configurations available.
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$1,400.00
If you’re searching for a complete rotary engine package for your RX-7 restoration, replacement project, or custom build, this 1994 Mazda RX-7 FD 13B-RW Complete Engine Swap – ECU & Harness Included offers an excellent solution. Removed from a running vehicle and supplied as a complete swap package, this setup includes the engine, ECU, and wiring harness, helping simplify installation and reduce the time required to source additional components.
The legendary Mazda 13B rotary engine has earned its reputation among enthusiasts worldwide thanks to its lightweight design, smooth power delivery, and exceptional tuning potential. Whether you’re bringing an FD RX-7 back to life or planning a custom rotary-powered project, this package provides a strong foundation for your build.
With factory electronics included and a complete engine assembly ready for installation, this swap package is ideal for enthusiasts looking for an authentic JDM rotary powertrain.
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$800.00
Mazda 10A Rotary Engine – Used (Engine No. 0866)
Opportunities to own an authentic early-production Mazda rotary engine are becoming increasingly rare. This Mazda 10A Rotary Engine – Used (Engine No. 0866) represents a significant piece of automotive history and offers enthusiasts, collectors, and restorers the chance to acquire one of Mazda’s pioneering Wankel rotary powerplants.
Originally developed during Mazda’s groundbreaking rotary engine era, the 10A was among the first production rotary engines to establish Mazda’s reputation for innovation and performance. Featuring a compact twin-rotor design with a displacement of 982cc, the 10A delivered impressive power and smoothness that set it apart from conventional piston engines of its time.
Whether you’re restoring a Mazda Cosmo Sport 110S, rebuilding a Mazda R100 Rotary Coupe, completing an RX-2 restoration, or simply adding a rare rotary engine to your collection, this engine offers authenticity, historical significance, and outstanding project potential.
Engine Number 0866 is being offered in used condition and is sold as-is, making it an excellent candidate for restoration, rebuild, preservation, or display purposes.
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$2,500.00
For rotary enthusiasts seeking a powerful, professionally assembled engine ready for serious street or track performance, the Mazda 13B T2 Street Port Rotary Engine – Fresh Build delivers an outstanding combination of strength, reliability, and tuning potential.
This freshly built 13B rotary engine has been assembled in-house and features a carefully executed T2 street port configuration designed to improve airflow while maintaining excellent drivability. To further enhance durability, the engine has been dowel pinned, a proven modification that helps maintain alignment under high cylinder pressures and demanding operating conditions.
Whether you’re building a high-horsepower Mazda RX-7, upgrading an RX-8 project, or creating a custom rotary-powered vehicle, this fresh build provides an ideal foundation. Built with performance in mind and designed to support boosted applications, it offers the perfect balance between street manners and aggressive power capability.
Ready for installation and built to handle serious horsepower, this engine is an excellent choice for enthusiasts who want a professionally prepared rotary engine without the wait and uncertainty of starting from scratch.
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$3,000.00
If you’re searching for a genuine rotary engine with proven performance and excellent potential, this Mazda 13B Rotary Engine – 1994 RX-7 is an outstanding opportunity for RX-7 owners, restorers, and rotary enthusiasts alike.
Removed from a 1994 USDM Mazda RX-7 FD3S, this 13B rotary engine has demonstrated healthy compression and strong running condition. Whether you’re replacing a tired engine, planning a fresh rebuild, or building a high-performance street or track car, this engine provides a solid foundation for your next project.
The Mazda 13B remains one of the most iconic rotary engines ever produced. Known for its compact design, smooth power delivery, lightweight construction, and impressive tuning potential, it continues to be one of the most sought-after engines in the rotary community.
With good compression test results available and palletized shipping options, this engine is ready to become the centerpiece of your next build.
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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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$2,000.00
The Mazda 13B Street-Ported Rotary Engine – Fresh Build is a professionally assembled performance rotary engine designed for enthusiasts seeking improved airflow, stronger power delivery, and the unmistakable character of a modified rotary setup. Built around Mazda’s legendary 13B platform, this fresh street-port build is ideal for RX-7 restorations, custom swaps, weekend performance cars, drift builds, and track-focused projects.
For decades, the 13B rotary engine has remained one of the most respected powerplants in the performance automotive world. Its compact design, lightweight construction, and exceptional high-RPM capability make it a favorite among enthusiasts looking for something different from traditional piston engines.
This freshly completed engine features professional street-port modifications that improve breathing efficiency while maintaining excellent drivability. Whether you’re building a street car, replacing a worn engine, or creating a custom rotary-powered project, this engine offers an outstanding foundation for reliable performance and future upgrades.
Ready for installation and built with performance in mind, the Mazda 13B Street-Ported Rotary Engine – Fresh Build provides the ideal balance between everyday usability and increased power potential.
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$2,500.00
For rotary enthusiasts seeking a powerful, professionally assembled engine ready for serious street or track performance, the Mazda 13B T2 Street Port Rotary Engine – Fresh Build delivers an outstanding combination of strength, reliability, and tuning potential.
This freshly built 13B rotary engine has been assembled in-house and features a carefully executed T2 street port configuration designed to improve airflow while maintaining excellent drivability. To further enhance durability, the engine has been dowel pinned, a proven modification that helps maintain alignment under high cylinder pressures and demanding operating conditions.
Whether you’re building a high-horsepower Mazda RX-7, upgrading an RX-8 project, or creating a custom rotary-powered vehicle, this fresh build provides an ideal foundation. Built with performance in mind and designed to support boosted applications, it offers the perfect balance between street manners and aggressive power capability.
Ready for installation and built to handle serious horsepower, this engine is an excellent choice for enthusiasts who want a professionally prepared rotary engine without the wait and uncertainty of starting from scratch.
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$700.00
If you’re searching for a genuine replacement engine for your Mazda RX-8 or looking for a solid foundation for a rotary rebuild project, the Mazda RX-8 SE3P 13BMSP Engine – 6MT is an excellent choice. Removed from a 6-speed manual transmission RX-8, this complete Renesis rotary engine offers the performance characteristics and unique driving experience that made the RX-8 one of the most iconic rotary-powered sports cars ever produced.
The 13BMSP, commonly known as the Renesis engine, represents Mazda’s most advanced production rotary powerplant. Designed to deliver smooth power delivery, impressive rev capability, and a lightweight performance package, the Renesis remains a favorite among rotary enthusiasts worldwide.
Whether you’re restoring a damaged RX-8, building a track-day machine, preparing a custom rotary swap, or sourcing a dependable rebuild core, this Mazda RX-8 SE3P 13BMSP Engine – 6MT provides a valuable opportunity to secure a genuine rotary engine from Mazda’s legendary rotary lineage.
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$2,500.00
If you’re searching for a high-performance rotary engine that combines reliability, responsiveness, and proven rotary engineering, this Semi-PP Dowel-Pinned Mazda 13B Rotary Engine – Fresh Build delivers exactly that. Built for enthusiasts who want more than a standard street-port setup, this professionally assembled engine features semi-peripheral porting for increased airflow and a reinforced dowel-pinned block for superior structural integrity.
The Mazda 13B rotary engine remains one of the most sought-after powerplants in the rotary community due to its lightweight design, high-RPM capability, and exceptional power potential. This fresh build is designed for enthusiasts building a serious Mazda RX-7, Mazda RX-8, track car, drift machine, or custom rotary swap project.
Combining the benefits of semi-peripheral porting with a strengthened dowel-pinned foundation, this setup offers the aggressive character rotary fans love while maintaining the reliability needed for street and track applications.
