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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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$2,500.00
The 13B 6-Port Turbo Motor – Streetported & Dowel Pinned is a professionally assembled rotary engine built for enthusiasts who demand reliable performance and future power potential. Combining Mazda’s proven 13B rotary platform with street porting and dowel pin reinforcement, this engine offers the ideal balance of drivability, responsiveness, and durability for both street and performance applications.
Whether you’re building a turbocharged Mazda RX-7, upgrading an RX-8 swap project, or replacing a worn engine with a stronger foundation, this setup is designed to handle the demands of spirited driving and increased boost levels.
The legendary 13B rotary engine has long been celebrated for its compact design, lightweight construction, and exceptional RPM capability. This upgraded build takes those strengths even further, delivering improved airflow, stronger component stability, and the flexibility needed for a wide range of performance goals.
If you’re searching for a rotary engine that combines proven modifications with a fresh assembly and strong upgrade potential, the 13B 6-Port Turbo Motor – Streetported & Dowel Pinned deserves serious consideration.
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$900.00
If you’re searching for an authentic rotary engine for your Mazda RX-7 restoration, replacement project, or classic rotary build, this 1985 Mazda RX-7 12A Engine – Low Miles is an excellent opportunity. Removed from a 1985 Mazda RX-7 equipped with an automatic transmission, this original 12A rotary engine has accumulated only approximately 76,000 miles and shows strong compression numbers.
The legendary Mazda 12A rotary engine is known for its lightweight design, smooth power delivery, unique driving characteristics, and impressive reliability when properly maintained. Whether you’re restoring an FB RX-7 to factory specifications, replacing a worn engine, or collecting hard-to-find rotary components, this low-mileage engine provides a solid foundation.
Included with the engine are the flywheel and counterweight, making this package even more attractive for enthusiasts and builders seeking genuine Mazda rotary components.
With classic first-generation RX-7 values continuing to rise, original low-mileage 12A engines are becoming increasingly difficult to find. This is an excellent opportunity to secure a desirable rotary powerplant before availability becomes even more limited.
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$5,600.00
Looking for a genuine JDM rotary engine package for your Mazda RX-7 project? This JDM 1996–1998 Mazda RX-7 FD 13B Twin Turbo 1.3L Rotary Engine + 5-Speed Manual Transmission & ECU offers one of the most sought-after drivetrain combinations ever produced by Mazda.
Imported directly from Japan, this complete package includes the legendary 13B-REW twin-turbo rotary engine, matching 5-speed manual transmission, and factory ECU. Whether you’re restoring an FD3S RX-7, replacing a worn drivetrain, building a dedicated track car, or planning a custom rotary swap, this setup provides an authentic foundation for your project.
The 13B-REW remains one of the most respected rotary engines in automotive history. Known for its lightweight design, twin-turbo performance, smooth high-RPM operation, and massive tuning potential, it continues to be the engine of choice for serious rotary enthusiasts worldwide.
Compression testing is available upon request for serious buyers, providing additional confidence before purchase.
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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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$1,500.00
Mazda 10A Twin Wankel Rotary Engine – Used, Running Condition
If you’re searching for an authentic classic Mazda rotary engine, this Mazda 10A Twin Wankel Rotary Engine – Used, Running Condition is an excellent opportunity to own one of the most iconic rotary powerplants ever produced.
Known for its lightweight design, smooth high-RPM operation, and unique rotary engineering, the Mazda 10A engine played a major role in establishing Mazda’s reputation among automotive enthusiasts worldwide. This particular engine was removed in running condition and remains a desirable option for restorations, vintage Mazda projects, rotary conversions, or collectors seeking a genuine period-correct powerplant.
The engine comes complete as pictured, including major external components such as the carburetor, ignition system, starter motor, and cooling system parts. Mounted on a sturdy metal frame for easier transport and handling, this unit offers a solid foundation for enthusiasts looking to preserve or revive a classic rotary-powered vehicle.
Whether you’re restoring a vintage Mazda RX-series vehicle, building a custom project, or adding a rare rotary engine to your collection, this Mazda 10A Twin Wankel Rotary Engine delivers authenticity and proven rotary heritage.
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$2,000.00
The Mazda 12A Peripheral Port (P-Port) – Fuel Injected is a serious rotary engine built for enthusiasts who demand maximum airflow, aggressive power delivery, and the unmistakable sound that only a peripheral port rotary can produce. Combining Mazda’s legendary 12A rotary platform with a professionally executed peripheral port configuration and fuel injection system, this engine delivers exceptional throttle response, high-RPM capability, and modern drivability.
Whether you’re restoring a classic RX-7, building a dedicated track machine, or creating a custom rotary-powered project, this setup offers the perfect balance between old-school rotary character and improved fuel delivery technology. The fuel-injected design enhances reliability and tunability while preserving the raw performance that peripheral port engines are known for.
Built for enthusiasts who appreciate authentic rotary engineering, the Mazda 12A Peripheral Port (P-Port) – Fuel Injected engine is a standout choice for anyone seeking a unique and powerful rotary package.
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$4,500.00
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Mazda 12A Turbo Engine – Like New / Standard Rebuild
Finding a truly exceptional Mazda 12A Turbo Engine has become increasingly difficult. Most surviving examples have accumulated years of wear, questionable rebuild histories, or significant modifications. This particular Mazda 12A Turbo Engine – Like New / Standard Rebuild stands apart from the rest.
Professionally rebuilt to standard specifications and left unported for maximum flexibility, this engine offers an outstanding foundation for restorations, collector vehicles, or future performance builds. The condition of the internal components is remarkable, with rotor housings presenting like new and rotor plates showing virtually no visible wear, grooves, or scoring.
For enthusiasts who appreciate originality, reliability, and quality craftsmanship, this is an opportunity to acquire one of Mazda’s most desirable rotary engines in exceptional condition.
Whether you’re restoring a classic RX-7, building a period-correct turbo rotary project, or seeking a premium engine core for future upgrades, this 12A turbo engine delivers the quality and rarity serious buyers demand.
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$2,500.00
The Mazda 13B Street Port Engine – Dowel Pinned & Ported is an excellent choice for rotary enthusiasts seeking a proven combination of reliability, drivability, and performance. Built from a genuine Mazda 13B platform, this engine has been professionally street ported to improve airflow and power delivery while incorporating dowel pin reinforcement for added strength and long-term durability.
Whether you’re restoring a classic RX-7, upgrading an RX-8, or building a custom rotary-powered project, this engine provides a strong foundation for naturally aspirated performance or future turbocharged applications.
The 13B rotary engine has earned legendary status among performance enthusiasts for its lightweight design, smooth power delivery, and ability to rev freely. This upgraded version takes those qualities further with carefully executed modifications designed to maximize airflow while maintaining excellent street manners.
For enthusiasts looking for a dependable rotary engine that delivers the unmistakable rotary driving experience, the Mazda 13B Street Port Engine – Dowel Pinned & Ported offers an ideal balance of performance and reliability.
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$2,500.00
The Mazda 13B Street-Ported Rotary Engine – Dowel Pinned Build is a professionally assembled performance rotary engine designed for enthusiasts who want a proven combination of power, durability, and drivability. Featuring street porting for increased airflow and a dowel-pinned block for added structural integrity, this fresh-build 13B offers an ideal foundation for serious street, track, or custom rotary projects.
Whether you’re building a high-performance Mazda RX-7, restoring a classic RX-3 or RX-4, or creating a one-of-a-kind rotary-powered vehicle, this engine delivers the legendary characteristics that have made Mazda rotary engines famous worldwide. The street-port configuration enhances breathing and horsepower while maintaining excellent drivability, making it one of the most popular upgrades among experienced rotary enthusiasts.
Built for reliability and performance, this engine is ready for installation and prepared to serve as the heart of your next rotary-powered project.
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$1,100.00
If you’re searching for a rotary engine that combines reliability, performance, and the unmistakable sound that enthusiasts love, this Mazda RX-8 SE3P Bridge Port Engine – Fully Rebuilt is an outstanding choice.
Built for drivers who want more than a standard replacement engine, this fully rebuilt RX-8 rotary engine delivers the aggressive idle, improved airflow, and enhanced performance characteristics that make bridge port setups so desirable. Whether you’re restoring an RX-8, upgrading a street car, building a weekend track machine, or preparing a custom rotary project, this engine provides a strong and dependable foundation.
Unlike unknown used engines with questionable history, this engine has been fully rebuilt and is in good running condition, giving buyers confidence and peace of mind. The bridge port modification enhances the engine’s breathing capabilities while maintaining drivability, making it one of the most popular upgrades among rotary enthusiasts.
Ready to install and ready to perform, this rebuilt SE3P rotary engine is ideal for enthusiasts who want authentic rotary character without the uncertainty often associated with used powerplants.
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$1,000.00
The Mazda RX8 13B Renesis 4 Port Rotary Engine with Automatic Transmission is a complete low-mileage drivetrain package ideal for RX-8 owners, rotary enthusiasts, restoration projects, and custom vehicle builds. Featuring Mazda’s renowned 13B Renesis 4-port rotary engine paired with a matching automatic transmission, this package provides a convenient and cost-effective solution for engine replacements and performance-oriented projects.
With approximately 15,000 miles on the engine and transmission assembly, this setup offers an excellent opportunity to acquire a complete rotary drivetrain with significantly lower mileage than many alternatives currently available on the market.
The 13B Renesis remains one of Mazda’s most iconic rotary engines, known for its smooth power delivery, lightweight design, and distinctive driving experience. Whether you’re restoring an RX-8, replacing a damaged powertrain, or sourcing a reliable rotary platform for a future build, this complete package delivers exceptional value and authenticity.
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$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.
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$1,700.00
If you’re searching for a professionally rebuilt rotary engine that combines proven Mazda engineering with performance-focused upgrades, this Rebuilt Mazda RX-7 13B Turbo Bridge Port Motor (Series 5 Update) is an exceptional opportunity.
Built from a genuine Mazda Series 5 13B turbo motor, this engine has been freshly rebuilt and has never been started since assembly. The motor remains wrapped in protective plastic and was only briefly uncovered for photography purposes, ensuring it arrives in pristine condition.
What makes this build particularly desirable is its rare large dowel configuration, featuring front and rear plates matching the sought-after Series 6 design. Combined with a professionally executed bridge port, new race apex seals, fresh corner seals and springs, and a new water retention kit, this rotary engine is designed for enthusiasts who demand reliability, performance, and long-term durability.
Whether you’re restoring a Mazda RX-7, building a high-performance street car, or preparing a serious track machine, this rebuilt 13B turbo engine provides an excellent foundation for your next project.
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$2,000.00
The Semi Peripheral Port Mazda 13B Rotary Engine – Built Motor is an excellent choice for rotary enthusiasts looking for a proven performance setup that combines reliability, drivability, and serious power potential. Freshly built and professionally assembled, this engine features a Semi Peripheral Port (Semi PP) configuration along with a dowel-pinned block to provide improved airflow, enhanced durability, and the aggressive rotary characteristics that performance enthusiasts seek.
Designed as a strong street-focused rotary build with bridgeport-style performance traits, this engine offers a responsive powerband, impressive top-end capability, and the unmistakable sound that has made Mazda rotary engines legendary around the world.
Whether you’re restoring a Mazda RX-7, upgrading an RX-8, building a drift car, or completing a custom rotary swap project, this fresh 13B build provides a reliable foundation capable of supporting naturally aspirated or turbocharged applications.
With clean internals, solid compression, and performance-focused modifications already completed, this engine eliminates much of the guesswork involved in sourcing and rebuilding a used rotary motor.
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If you’re searching for a reliable rotary engine to restore, replace, or upgrade your Mazda RX7, this Used Mazda 13B-T Turbo Engine Assembly – Fits 1988-1991 RX7 FC3S is an excellent choice. Sourced from Japan and built around Mazda’s legendary rotary engineering, the 13B-T remains one of the most sought-after powerplants among RX7 enthusiasts worldwide.
Known for its lightweight design, smooth power delivery, and impressive tuning potential, the 13B-T turbo rotary engine helped establish the second-generation RX7 FC3S as one of the most iconic Japanese sports cars ever produced.
This genuine JDM engine assembly is ideal for factory-correct restorations, engine replacements, performance upgrades, and custom rotary projects. Whether you’re rebuilding a classic FC3S or planning a unique rotary swap, this engine provides a solid foundation for your build.
