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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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$2,200.00
Another Clean 13B Build with Street Port & Semi PP Setup
If you’re looking for a rotary engine that delivers an outstanding balance of drivability, responsiveness, and power potential, this Another Clean 13B Build with Street Port & Semi PP Setup is an excellent choice. Built for enthusiasts who want more than a stock engine but still value street manners, this setup combines proven street porting with a semi-peripheral port configuration to create a strong and versatile rotary package.
Whether you’re completing an FD RX-7 restoration, upgrading a project car, or building a dedicated performance machine, this 13B rotary engine offers the airflow, throttle response, and power characteristics serious rotary enthusiasts appreciate.
Featuring clean port work, excellent craftsmanship, and a setup designed to maximize performance without sacrificing reliability, this engine is ready to become the heart of your next Mazda rotary build.
Price: $2,200 USD / $3,100 AUD
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$2,500.00
If you’re searching for the perfect balance between street drivability, responsive power delivery, and the unmistakable sound of a performance rotary engine, the Mazda 13B 6-Port Street Port / Half Bridge Rotary Engine Build delivers exactly that.
Freshly built and designed for enthusiasts who appreciate naturally aspirated rotary performance, this engine combines a carefully executed street port with a half-bridge modification to maximize airflow while preserving reliability for real-world driving. The result is an engine that pulls hard through the mid-range, continues to build power at higher RPM, and produces the aggressive rotary exhaust note that enthusiasts seek.
Whether you’re restoring an RX-7, upgrading an RX-8, or building a custom rotary-powered project, this freshly assembled 13B offers an outstanding foundation for a responsive and enjoyable driving experience.
Unlike many turbo-focused rotary builds, this all-motor configuration emphasizes throttle response, linear power delivery, and the unique characteristics that made Mazda rotary engines legendary among performance enthusiasts worldwide.
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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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$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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$3,000.00
Rebuilt 0-Mile Turbo II Engine
If you’re looking for a dependable, professionally rebuilt rotary engine that delivers exceptional performance and reliability, this Rebuilt 0-Mile Turbo II Engine is an outstanding choice. Built with premium components and zero miles since completion, this engine is ready to become the heart of your next Mazda RX-7 project.
Unlike used engines with unknown histories, this Turbo II engine has been carefully rebuilt using quality OEM and performance components to provide excellent durability while supporting impressive horsepower levels. Whether you’re restoring an FC RX-7, replacing a worn engine, or building a high-powered street or weekend track car, this engine offers the perfect combination of reliability and performance.
Featuring premium Rotary Aviation Cryo Apex Seals, cryo-treated side seals, external oiling modifications, and a professionally executed Big Street Port, this engine has been assembled with enthusiasts in mind. It offers excellent drivability while providing the airflow needed to support serious power when paired with the right turbocharger and supporting modifications.
Ready to install and built to perform, this is a rare opportunity to own a freshly rebuilt Turbo II rotary engine with zero miles.
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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.
