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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
13B Turbo II Streetported & Dowel-Pinned Engine – Boost-Ready Mazda Rotary Performance Engine13B Turbo II Streetported & Dowel-Pinned Engine – Boost-Ready Mazda Rotary Performance Engine
The 13B Turbo II Streetported & Dowel-Pinned Engine is a proven performance upgrade for rotary enthusiasts seeking the perfect balance between street manners, reliability, and serious turbocharged power potential. Built around Mazda’s legendary 13B Turbo II platform, this engine features two of the most desirable modifications in the rotary world: professional streetporting and dowel pin reinforcement.
Designed for enthusiasts who want faster spool-up, improved airflow, stronger top-end performance, and enhanced engine integrity under boost, this engine provides an outstanding foundation for both street-driven and track-focused builds.
Whether you’re restoring an FC RX-7 Turbo II, building a custom rotary project, upgrading an existing setup, or preparing for future power goals, this engine delivers the performance characteristics that have made the 13B Turbo II one of the most respected rotary powerplants ever produced.
The combination of streetporting and dowel-pinning creates a highly desirable package that improves airflow while helping maintain engine stability under demanding conditions. The result is a rotary engine that retains excellent drivability while offering significantly increased performance potential.
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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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$2,500.00
When building a serious rotary-powered project, the foundation matters. The Mazda 13B 6-Port Turbo Motor – Built for Boost is engineered for enthusiasts seeking dependable power, exceptional throttle response, and a platform capable of handling significant boost pressure. Whether you’re restoring a classic Mazda RX-7, building a custom drift car, preparing a street-and-strip machine, or planning a unique engine swap, this performance-built 13B rotary engine delivers the strength and airflow necessary to support your goals.
Featuring a dowel-pinned block and professionally streetported configuration, this engine has been prepared with performance and durability in mind. The 6-port design offers improved drivability while maintaining the high-RPM characteristics that rotary enthusiasts love. Combined with turbocharging capability, this setup provides an ideal balance between responsiveness, power potential, and reliability.
Priced at $2,500 USD / $3,500 AUD, this Mazda 13B 6-Port Turbo Motor offers a proven foundation for enthusiasts looking to unlock the true potential of a turbocharged rotary engine.
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$2,000.00
For rotary enthusiasts who demand maximum naturally aspirated performance and one of the most iconic sounds in motorsports, the Mazda 13B Peripheral Port Rotary Engine – Performance Build delivers a driving experience unlike anything else on the road.
This freshly built performance-oriented 13B rotary engine features a full peripheral port (PPort) configuration, a setup widely regarded as the ultimate naturally aspirated rotary modification. Designed to maximize airflow and unlock the true high-RPM potential of Mazda’s legendary twin-rotor engine, this build offers exceptional top-end power, razor-sharp throttle response, and the unmistakable race-inspired rotary exhaust note that enthusiasts worldwide recognize instantly.
Whether you’re building a dedicated track car, a weekend street machine, a competition drift vehicle, or a custom rotary-powered project, this engine provides an incredible foundation for serious performance.
Built specifically for drivers who appreciate the unique character of rotary power, the Mazda 13B Peripheral Port Rotary Engine – Performance Build combines motorsport-inspired engineering with the timeless appeal of Mazda’s legendary rotary platform.
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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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$1,700.00
The Mazda RX7 13B Turbo 2 Rebuilt Rotary Engine is a professionally rebuilt performance rotary engine designed for enthusiasts who demand reliability, strong compression, and serious horsepower potential. Featuring a fresh rebuild with zero miles since completion, this engine combines proven rotary technology with carefully selected performance upgrades to create a powerful foundation for street, track, or custom build applications.
Built by JPR South Jersey and equipped with premium internal components, this engine includes Rotary Aviation cryo-treated apex seals, cryo-treated side seals, OEM-quality rebuild components, dowel-pinned irons, and a professionally completed large street port. The result is a rotary engine capable of delivering exceptional responsiveness, impressive power output, and long-term durability when paired with the proper supporting modifications.
With compression readings exceeding 100 PSI on all rotor faces, this engine offers the confidence buyers look for when investing in a performance-oriented rotary powerplant.
Whether you’re replacing an aging engine in your Mazda RX-7, building a high-horsepower street car, or assembling a dedicated rotary performance project, the Mazda RX7 13B Turbo 2 Rebuilt Rotary Engine provides an outstanding starting point.
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$2,500.00
For dedicated rotary enthusiasts, collectors, and vintage racing builders, opportunities to acquire a genuine competition-spec rotary engine from the golden age of Japanese motorsport are exceptionally rare. The Ultra Rare 12A Bridge Port Engine – TS Race Spec represents exactly that opportunity.
Built as a period-correct racing engine and associated with the legendary Katayama Sports Corner racing heritage, this highly sought-after 12A bridge port rotary engine was developed for serious competition use. Featuring an aggressive bridge port configuration designed to maximize airflow and top-end performance, this engine embodies everything enthusiasts love about classic Mazda rotary engineering.
Whether you’re restoring a historic race car, building an authentic Mazda Savanna RX-3 competition vehicle, or adding a centerpiece to a rotary collection, this engine delivers historical significance, performance pedigree, and collector appeal in one package.
Unlike modern crate engines or reproduction builds, the Ultra Rare 12A Bridge Port Engine – TS Race Spec offers a genuine connection to an era when rotary-powered Mazdas dominated race circuits and helped establish the rotary engine’s legendary reputation worldwide.
