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.
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.
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.
The Mazda 13B Turbo 6 Port Full Bridge Port Rotary Engine is a serious high-performance rotary setup built for enthusiasts who want raw power, responsiveness, and track-ready durability. Designed from the legendary Mazda 13B platform, this engine combines a full bridge port configuration with a 6-port turbo setup, delivering aggressive airflow and exceptional high-RPM performance.
This build is aimed at drivers who want more than a stock replacement. Whether you’re building a drift car, a street monster, or a dedicated track machine, this engine package offers a strong foundation with proven performance components already installed. With supporting fuel, ignition, and ECU upgrades included, it reduces the complexity of building a competitive rotary setup from scratch.
If you’re searching for an authentic Mazda 13B-REW rotary engine to serve as the foundation for your next build, this bare engine is an excellent opportunity. Originally found in the legendary Mazda RX-7 FD3S, the 13B-REW remains one of the most iconic rotary engines ever produced, renowned for its compact design, impressive power potential, and unmistakable rotary driving experience.
This Mazda 13B-REW Rotary Engine – Bare Engine is offered exactly as shown and is ideal for enthusiasts, builders, tuners, and restoration specialists looking for a solid platform for a rebuild, refresh, or custom performance project. Whether you’re restoring a factory RX-7, assembling a high-horsepower street machine, or planning a dedicated track build, the 13B-REW continues to be one of the most sought-after rotary engines in the performance community.
Unlike complete engine packages that include accessories and supporting components, this bare engine allows experienced builders to customize every aspect of the build according to their specific goals. From stock rebuilds to single-turbo conversions and race-prepared applications, the possibilities are nearly limitless.
If you’re searching for an authentic Mazda 13B-REW rotary engine for your RX-7 restoration, rebuild, or performance project, this genuine early-model FD RX-7 engine is an excellent foundation. Removed from a running vehicle and carefully stored indoors, this twin-turbo rotary engine offers enthusiasts, builders, and tuners the opportunity to acquire one of the most iconic powerplants ever produced by Mazda.
The 13B-REW remains one of the most respected rotary engines in the automotive world. Originally fitted to the legendary Mazda RX-7 FD3S, this engine helped establish the RX-7 as one of Japan’s most celebrated sports cars. Known for its lightweight construction, compact dimensions, smooth power delivery, and impressive tuning potential, the 13B-REW continues to be the preferred choice for rotary enthusiasts around the globe.
Whether you’re restoring a Series 6 RX-7, planning a full engine rebuild, building a street car, or creating a high-horsepower track machine, this Mazda 13B-REW twin-turbo engine provides a solid starting point for your next project.
The Mazda 20B 3-Rotor Engine – Clean Build is one of the most iconic and desirable rotary engines ever produced, offering a rare combination of smooth power delivery, high-revving performance, and unmistakable Mazda engineering heritage.
This engine is built around the legendary 20B triple-rotor platform—widely respected in the rotary community for its strength, tuning potential, and unique driving character. Unlike standard 13B engines, the 20B delivers more displacement, more torque, and a noticeably stronger mid-range, making it a favorite for serious performance builds.
This Mazda 20B 3-Rotor Engine – Clean Build comes as a professionally refreshed unit with multiple new internal components, making it a strong foundation for high-performance applications, RX-7 swaps, drift builds, or collector-grade projects.
Whether you’re a rotary enthusiast chasing big horsepower or a builder looking for something truly rare, this engine stands out as a premium, hard-to-find option in today’s JDM market.
The Mazda RX-7 13B Rotary Engine – Stock Ports Turbo Setup is an excellent choice for enthusiasts seeking a reliable, freshly built rotary engine that delivers the legendary performance Mazda’s rotary platform is known for. Built with stock port configuration and paired with a turbocharger setup, this engine provides an ideal balance between drivability, reliability, and impressive power output.
Whether you’re restoring an RX-7 FD, replacing a worn engine, or building a custom rotary-powered project, this fresh-build 13B turbo engine offers a proven foundation for long-term performance. Unlike heavily modified racing engines, the stock-port design maintains smooth operation and excellent street manners while still allowing the turbo system to deliver the thrilling acceleration rotary enthusiasts love.
Freshly assembled and ready for installation, this engine is designed for buyers who want dependable rotary performance without sacrificing everyday usability.
Finding a genuine rotary engine that meets factory specifications has become increasingly difficult as original cores become scarce and rebuild quality varies significantly from one builder to another. The Mazda RX-7 13B-REW Factory Remanufactured Rotary Engine – Brand New / Factory Reman offers enthusiasts, restorers, and performance builders a rare opportunity to purchase a professionally assembled OEM rotary engine built to Mazda remanufacturing standards.
Unlike used engines or unknown rebuilds, this factory remanufactured 13B-REW is assembled using Mazda-approved procedures and updated components. Designed specifically for the legendary FD3S RX-7 platform, it provides the reliability, performance, and authenticity that rotary enthusiasts demand.
Whether you’re restoring a collector-grade RX-7, replacing a tired engine, or building a reliable street-performance car, this genuine Mazda remanufactured rotary engine delivers the confidence that comes with OEM engineering and factory-backed assembly standards.
The Mazda RX-7 FD3S 13B-REW Rotary Engine – Fresh Rebuild is an exceptional opportunity for rotary enthusiasts, restorers, and performance builders seeking one of the most iconic Japanese performance engines ever produced. Known worldwide for its lightweight design, twin-turbocharged performance, and incredible tuning potential, the 13B-REW remains a benchmark in rotary engine engineering.
Freshly rebuilt and prepared for its next chapter, this engine offers the perfect balance of reliability, performance potential, and authentic Mazda rotary heritage. Whether you’re replacing a tired powerplant in your FD RX-7, building a high-performance street car, or creating a dedicated track machine, this rebuilt 13B-REW provides a proven foundation.
The legendary twin-rotor design delivers smooth high-RPM operation, impressive power delivery, and the unmistakable character that has made the FD3S RX-7 a legend among automotive enthusiasts.
The Mazda RX-8 R3 Complete Engine Motor 13B-MSP 1.3L Petrol 170kW (2008) is a genuine Renesis rotary engine sourced from one of Mazda’s most celebrated sports cars. Designed to deliver a unique combination of high-revving performance, lightweight engineering, and smooth power delivery, the 13B-MSP remains one of the most recognizable rotary engines ever produced.
This complete engine assembly is an excellent choice for RX-8 owners seeking a replacement motor, enthusiasts planning a rebuild project, or builders looking for a compact and distinctive powerplant for a custom swap. With a factory output of 170kW, the RX-8 R3 Renesis engine offers the unmistakable rotary driving experience that continues to attract enthusiasts worldwide.
As rotary-powered vehicles become increasingly collectible, sourcing a complete Mazda RX-8 R3 Complete Engine Motor 13B-MSP 1.3L Petrol 170kW (2008) in clean used condition presents an excellent opportunity for restorers and performance enthusiasts alike.
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.
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.
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.
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.
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.
