The (NEW) HKS Sequential Transmission – Mazda RX-7 FD3S is one of the most sought-after drivetrain upgrades ever produced for the legendary RX-7 platform. Designed by HKS for motorsport applications, this genuine sequential gearbox delivers lightning-fast gear changes, exceptional durability, and the confidence needed to handle high-horsepower rotary setups.
As a discontinued and increasingly difficult-to-find component, this transmission has become highly desirable among RX-7 enthusiasts, collectors, professional race teams, and serious performance builders. Unlike a conventional H-pattern gearbox, a sequential transmission allows rapid upshifts and downshifts through a simple forward-and-back shifting motion, reducing shift times and helping drivers stay focused on performance.
This particular unit is brand new and never installed, making it an exceptionally rare opportunity to own a genuine HKS motorsports transmission. Included with the package is an OS Giken triple plate clutch, providing a complete high-performance drivetrain solution for demanding street, track, drag, and circuit applications.
Whether you’re building a dedicated race car, a high-powered street machine, or preserving rare JDM performance parts, the (NEW) HKS Sequential Transmission – Mazda RX-7 FD3S represents a premium upgrade with proven motorsport heritage.
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
If you’re looking for a rotary engine that delivers the perfect balance of performance, drivability, and reliability, this Another 6-Port Street Port 13B Rotary Build, Freshly Put Together and Ready for Action is an excellent choice.
Built with enthusiasts in mind, this freshly assembled 13B combines the proven reliability of the 6-port design with the added airflow and performance benefits of a professionally executed street port. The result is an engine that offers a noticeable increase in power, crisp throttle response, and the unmistakable rotary sound that Mazda enthusiasts love.
Whether you’re restoring an RX-7, building a weekend street machine, completing a custom swap, or upgrading your current rotary setup, this engine provides a solid foundation for a fun and dependable performance build.
If you’re searching for a rotary engine that combines proven reliability with serious performance potential, this 13B 6-Port Turbo Bridge Port Rotary Engine – Fresh Rebuild is an outstanding choice. Professionally assembled and built with performance enthusiasts in mind, this engine offers the aggressive characteristics that rotary fans love while maintaining the drivability needed for street and weekend performance applications.
Featuring a desirable turbo bridge port configuration, this freshly rebuilt Mazda 13B engine delivers increased airflow, enhanced power potential, and the unmistakable bridge port exhaust note that has become legendary within the rotary community.
Whether you’re building an FC RX-7, FD RX-7, custom Mazda swap, drift car, street machine, or track-focused project, this engine provides a solid foundation for achieving your performance goals.
Priced at just $2,300 USD / $3,250 AUD, this is an excellent opportunity to secure a freshly rebuilt performance rotary engine ready for installation.
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.
The 13B Cosmo Rotary Engine – In-House Built is a professionally assembled performance rotary engine designed for enthusiasts who demand serious power, reliability, and precision engineering. Built using proven rotary performance techniques, this engine combines upgraded internal components with meticulous balancing to create a package capable of handling spirited street driving, track use, and high-horsepower applications.
Unlike a standard stock rotary engine, this build incorporates several performance-focused modifications, including doweled housings, half-bridge porting, lightened rotors, and a fully balanced rotating assembly. These enhancements work together to improve airflow, increase responsiveness, and support higher RPM operation while maintaining the durability expected from a properly engineered rotary build.
Whether you’re planning a Mazda Cosmo restoration, RX-7 conversion, dedicated track car, or custom rotary-powered project, the 13B Cosmo Rotary Engine – In-House Built offers a strong foundation for achieving impressive performance without sacrificing drivability.
Built by rotary enthusiasts for rotary enthusiasts, this engine delivers the character, sound, and performance that have made Mazda rotary engines legendary worldwide.
If you’re searching for a serious rotary engine build that combines reliability, power potential, and proven performance, this 13B Semi PP Dowel Pinned Turbo Build Ready to Go deserves your attention. Built specifically for enthusiasts who demand a strong foundation for high-boost applications, this engine combines a semi-peripheral port design with dowel-pinned reinforcement to create a package capable of handling aggressive street driving, drag racing, and track use.
Whether you’re upgrading an RX-7, building a dedicated rotary project, or replacing a tired engine, this turbo-ready 13B offers the performance characteristics rotary enthusiasts love. Featuring solid compression and a clean build, it provides an excellent platform for those looking to enjoy the unique power delivery and high-RPM capability that Mazda rotary engines are famous for.
Designed with durability and performance in mind, this setup is ready to become the centerpiece of your next rotary-powered project.
If you’re searching for a serious rotary engine built to handle aggressive power goals, the 13B Turbo II Performance Build – Dowel Pinned & Bridgeported delivers the airflow, durability, and performance foundation enthusiasts demand. Based on the legendary Mazda 13B Turbo II platform found in the FC RX-7, this professionally prepared engine has been upgraded with performance-focused modifications designed to maximize horsepower potential while maintaining reliability under demanding conditions.
Featuring dowel-pinned irons, a fully bridgeported intake configuration, and semi-peripheral port enhancements, this engine is engineered for enthusiasts seeking exceptional top-end performance, aggressive throttle response, and a proven platform for high-boost turbocharged applications.
Whether you’re building a dedicated drag car, a competitive street machine, or a custom rotary-powered project, this engine provides a strong foundation capable of supporting serious performance goals.
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.
Finding original first-generation Mazda RX-7 parts is becoming increasingly difficult, especially rare factory and period-correct accessories. This 1981-85 Mazda RX7 Glass Sunroof is an excellent opportunity for enthusiasts, restorers, and collectors looking to complete or upgrade their SA22C or FB-generation RX-7.
Designed to fit 1981 through 1985 Mazda RX-7 models, this genuine glass sunroof offers the classic open-air driving experience while maintaining the original appearance of the vehicle. Unlike many aftermarket alternatives, this unit provides authentic styling and compatibility that rotary enthusiasts appreciate.
Included with the sunroof is the original storage bag, allowing safe storage when the panel is removed. Whether you are restoring a survivor car, building a show-quality RX-7, or replacing a damaged panel, this rare component is a valuable addition to any first-generation RX-7 project.
The 1992 Mazda Efini RX-7 Type R 5-Speed represents one of the purest expressions of Japanese performance engineering from the golden era of sports cars. Powered by Mazda’s legendary twin-turbocharged 13B rotary engine and paired with a five-speed manual transmission, this FD3S RX-7 delivers the lightweight handling, razor-sharp steering, and exhilarating power delivery that have made it one of the most desirable JDM performance cars ever built.
Finished in black over black leather upholstery, this right-hand-drive example combines classic FD styling with tasteful upgrades, including 17-inch BBS forged wheels, a PowerFC engine management system, carbon-fiber headlight covers, and documented service records. With approximately 217,000 kilometers (135,000 miles), this RX-7 has been maintained and preserved by enthusiasts who understood the importance of proper rotary ownership.
For collectors, rotary enthusiasts, and JDM performance car buyers, opportunities to own an authentic 1992 Mazda Efini RX-7 Type R 5-Speed continue to become increasingly rare.
The 1993 Mazda RX-7 FD Touring – Twin Turbo Auto is a standout example of one of Japan’s most iconic sports cars. Combining timeless FD styling, rotary-powered performance, and the comfort-focused Touring Package, this RX-7 offers an excellent balance between collectability and everyday drivability.
Powered by a replacement twin-turbocharged 1.3-liter rotary engine with approximately 20,000 miles, this FD delivers the smooth powerband and unique driving experience that enthusiasts expect from the legendary Mazda RX-7 FD platform.
Finished in Vintage Red over black leather upholstery, this well-maintained example includes desirable factory equipment, a limited-slip differential, automatic transmission, sunroof, Bose audio system, air conditioning, and extensive service records.
Whether you’re looking for a collectible Japanese sports car, a rotary-powered weekend cruiser, or a clean FD RX-7 to enjoy and preserve, this example deserves serious consideration.
If you’re searching for a complete rotary engine package for your RX-7 restoration, replacement project, or custom build, this 1994 Mazda RX-7 FD 13B-RW Complete Engine Swap – ECU & Harness Included offers an excellent solution. Removed from a running vehicle and supplied as a complete swap package, this setup includes the engine, ECU, and wiring harness, helping simplify installation and reduce the time required to source additional components.
The legendary Mazda 13B rotary engine has earned its reputation among enthusiasts worldwide thanks to its lightweight design, smooth power delivery, and exceptional tuning potential. Whether you’re bringing an FD RX-7 back to life or planning a custom rotary-powered project, this package provides a strong foundation for your build.
With factory electronics included and a complete engine assembly ready for installation, this swap package is ideal for enthusiasts looking for an authentic JDM rotary powertrain.
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.
If you’re searching for an authentic rotary-powered drivetrain for your Mazda RX-7 project, this 1996–1998 JDM Mazda RX-7 FD3S 13B 1.3L Twin Turbo Engine with 5 Speed Manual Transmission for sale is an excellent opportunity. Removed from a genuine Japanese-market FD3S RX-7, this complete swap package combines the legendary 13B-REW twin-turbo rotary engine with the factory 5-speed manual transmission.
Known worldwide for its lightweight design, impressive power delivery, and unmistakable rotary character, the 13B twin-turbo engine remains one of the most sought-after JDM powerplants ever produced. Whether you’re restoring an FD RX-7, replacing a tired drivetrain, or planning a custom rotary swap, this complete package provides a solid foundation for your build.
This engine and transmission package is described as a strong runner in good condition and is ready to ship worldwide.
The 20B Side Housing – Peripheral Port is a premium genuine Mazda component designed for serious rotary enthusiasts building high-performance 3-rotor engines. Whether you’re assembling a turbocharged street monster, a dedicated drag car, or an all-out race build, this peripheral port side housing provides the airflow potential and reliability needed to support substantial horsepower goals.
As one of the most sought-after components in the rotary performance world, a genuine Mazda 20B side housing is a critical foundation for any serious triple-rotor engine project. Designed specifically for peripheral port (PP) configurations, this housing helps maximize airflow into the engine, supporting the high-RPM characteristics and power output that have made the 20B legendary among rotary enthusiasts.
Originally found in the iconic Mazda Eunos Cosmo, the 20B remains one of the most respected rotary engines ever produced. Builders pursuing big horsepower numbers understand the importance of using quality OEM components during assembly, and this 20B Side Housing – Peripheral Port is an excellent choice for maintaining reliability while unlocking maximum performance potential.
Clean, ready for assembly, and suitable for a variety of custom builds, this component is ideal for performance engine rebuilds, race applications, and custom rotary conversions.
