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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
If you’re searching for a proven rotary engine for your Mazda RX-7 FB project, this 13B Rotary Engine Available – Limited-Time Price Reduction is a fantastic opportunity. Built using a carefully selected combination of desirable early and late-model Mazda rotary components, this rebuilt 13B offers the performance, reliability, and rotary character enthusiasts demand.
Featuring a street-ported 4-port configuration, strong compression numbers, low mileage since rebuild, and upgraded 3mm apex seals, this engine is ideally suited for street-driven RX-7s, weekend performance cars, restoration projects, and custom rotary builds.
Compatible with Mazda RX-7 FB models from 1979–1985, this engine includes both a clutch and flywheel, providing additional value and helping simplify installation. Whether you’re replacing a tired original engine or upgrading to a stronger rotary setup, this rebuilt 13B delivers the perfect blend of classic rotary performance and modern reliability.
For enthusiasts who appreciate authentic Mazda rotary engineering, opportunities like this are becoming increasingly rare.
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$1,300.00
If you’re searching for an authentic first-generation FC3S rotary engine for your restoration, replacement, or custom project, this FOR SALE – 1986–1988 Mazda RX-7 FC3S 13B NA Rotary Engine (Manual) offers an excellent opportunity to secure a genuine Mazda powerplant from one of the most iconic Japanese sports cars ever produced.
Removed from a manual transmission Mazda RX-7 FC3S, this naturally aspirated 13B rotary engine represents the pure rotary driving experience that made Mazda famous worldwide. Known for its lightweight design, smooth revving characteristics, and unique Wankel rotary architecture, the 13B NA remains a favorite among rotary enthusiasts, restorers, and engine builders.
Whether you’re restoring a classic FC RX-7 to factory specifications, replacing a worn engine, or looking for a solid foundation for a rotary rebuild, this complete long block provides the perfect starting point.
Priced at $1,300, this engine offers exceptional value for enthusiasts looking to keep a classic RX-7 on the road or build a reliable naturally aspirated rotary project.
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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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$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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$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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$2,500.00
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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$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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$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.
