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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 Bridgeport is a serious rotary performance build designed for drivers who want more than a stock 13B can deliver. This engine features a professionally executed full Bridgeport on the 6-port 13B platform, completed entirely in-house with precision machining and careful attention to port geometry.
Bridgeporting is one of the most recognized modifications in the rotary world, offering increased airflow and improved high-RPM breathing. The result is a more aggressive powerband, stronger top-end performance, and the unmistakable sound that has made bridgeported rotary engines legendary among enthusiasts.
Whether you’re building a dedicated drag car, a track-focused RX-7 or RX-8, or a high-performance street machine, this engine provides a solid foundation for naturally aspirated or custom performance applications where airflow and RPM capability are priorities.
13B 6-Port Bridgeport Rotary Engine – High RPM Performance Build
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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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$4,500.00
If you’re searching for an authentic rotary powertrain package for your Mazda RX-7 restoration, engine replacement, or custom performance build, this 1996–1998 JDM Mazda RX-7 13B Twin Turbo Engine + 5-Speed Manual Transmission is an excellent opportunity.
Imported directly from Japan, this complete engine and transmission package includes the legendary 13B-REW twin-turbo rotary engine, factory 5-speed manual transmission, ECU, and wiring harness. Designed for the FD3S RX-7, this setup offers the ideal foundation for enthusiasts looking to preserve the authenticity of their vehicle or build a high-performance rotary-powered project.
The 13B-REW remains one of Mazda’s most celebrated engines, known worldwide for its lightweight design, impressive power delivery, and enormous tuning potential. Whether you’re replacing a tired drivetrain, completing a JDM restoration, or building a track-focused machine, this complete swap package helps simplify the installation process by including the essential components required to get your project moving.
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$2,500.00
For Sale: JDM 1988–1991 Mazda RX7 FC 13B Turbo Engine – Auto Transmission
If you’re searching for a genuine rotary engine package for your Mazda RX7 FC restoration, replacement, or performance project, this JDM 1988–1991 Mazda RX7 FC 13B Turbo Engine – Auto Transmission is an excellent choice.
Sourced from a Japanese Domestic Market (JDM) Mazda RX7 FC, this iconic 13B-T turbocharged rotary engine represents one of Mazda’s most celebrated powerplants. Known for its compact design, smooth power delivery, and impressive tuning potential, the 13B-T remains highly sought after among rotary enthusiasts worldwide.
This package includes the matching automatic transmission, making it a practical solution for owners looking to maintain originality or complete a reliable engine swap. Whether you’re restoring a classic FC RX7, replacing a tired engine, or building a unique rotary-powered project, this JDM engine package provides a solid foundation.
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$2,500.00
For Sale: JDM 1988–1991 Mazda RX7 FC 13B Turbo Engine – Auto Transmission
If you’re searching for a genuine rotary engine package for your Mazda RX7 FC restoration, replacement, or performance project, this JDM 1988–1991 Mazda RX7 FC 13B Turbo Engine – Auto Transmission is an excellent choice.
Sourced from a Japanese Domestic Market (JDM) Mazda RX7 FC, this iconic 13B-T turbocharged rotary engine represents one of Mazda’s most celebrated powerplants. Known for its compact design, smooth power delivery, and impressive tuning potential, the 13B-T remains highly sought after among rotary enthusiasts worldwide.
This package includes the matching automatic transmission, making it a practical solution for owners looking to maintain originality or complete a reliable engine swap. Whether you’re restoring a classic FC RX7, replacing a tired engine, or building a unique rotary-powered project, this JDM engine package provides a solid foundation.
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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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$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
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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$1,500.00
The Mazda RX-7 FD 13B REW Complete Rotating Assembly – Complete Stock 13B REW is an excellent solution for rotary enthusiasts looking to rebuild, restore, or refresh a genuine Mazda RX-7 FD3S twin-turbo engine. Whether you’re performing a factory-spec restoration, replacing damaged internal components, or building a solid foundation for a future performance setup, a complete OEM rotating assembly offers reliability, precision, and compatibility that aftermarket alternatives often struggle to match.
As the heart of every rotary engine, the rotating assembly plays a critical role in overall engine performance, compression, smoothness, and longevity. This complete stock 13B-REW rotating assembly includes the essential rotating components that make up the legendary twin-rotor powerplant found in the Mazda RX-7 FD.
Designed and manufactured by Mazda to exact specifications, this assembly provides an authentic OEM solution for rotary engine builders who value quality, durability, and proven engineering.
Whether you’re restoring a low-mileage collector vehicle or preparing a dependable street-performance engine, this genuine Mazda 13B-REW rotating assembly delivers the foundation needed for a successful build.
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$2,500.00
The Mazda RX-7 Turbo II 13B Built Engine is designed for rotary enthusiasts seeking a serious performance foundation for high-powered street, strip, or track applications. Built around the proven 13B Turbo II platform, this engine combines upgraded internal preparation, extensive port work, and enhanced structural integrity to create a package capable of handling substantial power while maintaining the unmistakable character of a Mazda rotary engine.
Featuring a dowel-pinned block, fully bridgeported configuration, and semi-peripheral port design, this engine is built for enthusiasts who demand rapid throttle response, aggressive power delivery, and excellent airflow characteristics. Whether you’re building a dedicated RX-7 project, upgrading an existing FC3S platform, or creating a custom rotary-powered vehicle, this engine provides a strong foundation for naturally aspirated or turbocharged performance.
The combination of professional machining, carefully executed porting, and proven Turbo II architecture makes this build ideal for serious enthusiasts looking to maximize the potential of the legendary 13B rotary platform.
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$2,200.00
The Mazda RX7 FD3S Twin Turbo 13B Rotary Engine with 5 Speed Transmission is one of the most sought-after drivetrain packages in the performance automotive world. Built around Mazda’s legendary twin-rotor 13B engine, this complete setup delivers the unique characteristics that have made rotary-powered vehicles famous among enthusiasts, tuners, racers, and collectors worldwide.
Whether you’re restoring a classic RX-7 FD3S, replacing a worn engine, building a drift car, or planning a custom rotary swap, this complete drivetrain package offers an excellent foundation for your project. Combining the lightweight design of the 13B twin-turbo rotary engine with a responsive 5-speed manual transmission, this setup provides an ideal balance of performance, reliability, and upgrade potential.
Known for its impressive power-to-weight ratio and exceptional tuning capability, the FD3S twin-turbo drivetrain remains one of the most respected rotary powerplants ever produced by Mazda.
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$2,800.00
The Mazda RX7 FD3S Twin Turbo 13B Rotary Engine with 5 Speed Transmission is one of the most sought-after drivetrain packages in the performance automotive world. Built around Mazda’s legendary twin-rotor 13B engine, this complete setup delivers the unique characteristics that have made rotary-powered vehicles famous among enthusiasts, tuners, racers, and collectors worldwide.
Whether you’re restoring a classic RX-7 FD3S, replacing a worn engine, building a drift car, or planning a custom rotary swap, this complete drivetrain package offers an excellent foundation for your project. Combining the lightweight design of the 13B twin-turbo rotary engine with a responsive 5-speed manual transmission, this setup provides an ideal balance of performance, reliability, and upgrade potential.
Known for its impressive power-to-weight ratio and exceptional tuning capability, the FD3S twin-turbo drivetrain remains one of the most respected rotary powerplants ever produced by Mazda.
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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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$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.
