Few FC-generation RX-7s command attention quite like this 48k-Mile 1989 Mazda RX-7 Turbo II Mariah Mode 6 Stage V. Combining low mileage, documented Mariah Motorsports heritage, extensive performance upgrades, and unmistakable styling, this rare rotary-powered machine represents a unique opportunity for collectors and enthusiasts alike.
Built by the legendary Mariah Motorsports and believed to be Build #1 of the Mode 6 Stage V program, this Turbo II features a professionally modified 13B turbo rotary engine producing approximately 468 horsepower. Finished in Blaze Red with the iconic Mode 6 widebody package, this RX-7 delivers the perfect balance of 1980s Japanese performance culture and modern collector appeal.
With only 48,000 miles shown, a clean Carfax report, clean California title, and extensive documentation, this is far more than just another FC RX-7—it’s a significant piece of rotary history.
Whole shipment of fresh, brand new 13B-REW blocks from Mazda has now arrived! Who’s down to grab one?
We just received a limited supply shipment from Japan of brand new 13B-REW in stock! These are going to go really fast, and we aren’t certain how many more we are going to be able to get. Mazda has limited the production of their new 13B engine blocks and have also recently almost double the price globally.
These are 100% brand new (not remanufactured) blocks from Mazda Japan. They come with a new flywheel, new oil squirters, new front cover, new oil pump, and new oil pan installed from the factory.
Upgrade or restore your iconic RX-7 with a Mazda RX-7 FD engine, built around the legendary 13B-REW twin-turbo rotary platform. Renowned worldwide for its lightweight design, high-revving performance, and exceptional power-to-weight ratio, the FD engine remains one of the most desirable rotary engines ever produced.
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.
If you’re searching for one of the most sought-after rotary engine packages ever produced, the DM Mazda 20B 3-Rotor Engine with Rear Diff & Subframe – Complete JDM Package delivers an exceptional opportunity to own a genuine piece of Mazda rotary history.
Removed from a Japanese-market Eunos Cosmo, this complete drivetrain package includes the legendary 20B triple-rotor engine, OEM automatic transmission, rear differential, and complete rear subframe assembly. Whether you’re planning a high-end Mazda RX-7 conversion, a custom rotary swap, a show car build, or simply want to secure a rare collector-grade drivetrain, this package provides an outstanding foundation.
The Mazda 20B remains one of the most desirable rotary engines ever produced. Known for its smooth power delivery, unique three-rotor design, incredible tuning potential, and unmistakable rotary sound, the 20B continues to be the engine of choice for serious enthusiasts worldwide.
Imported directly from Japan and offered as a complete set, this package eliminates the difficulty of sourcing multiple components separately while providing an authentic JDM drivetrain solution.
For rotary enthusiasts seeking a strong foundation for a high-performance engine build, the Dowel-Pinned FD 13B Block – Streetport & Bridgeport (In-House Build) offers the ideal combination of durability, airflow enhancement, and precision preparation. Built from a genuine Mazda RX-7 FD3S 13B block, this professionally prepared rotary platform has been upgraded with dowel pinning, streetport modifications, and bridgeport work performed in-house by experienced rotary specialists.
Whether you’re building a responsive naturally aspirated setup, a high-horsepower turbocharged street machine, or a dedicated track car, the quality of the engine block determines the reliability and performance of the entire build. This block has been carefully prepared to provide exceptional strength, improved housing alignment, and increased airflow characteristics demanded by serious rotary enthusiasts.
Designed for performance-minded builders who refuse to compromise, this FD 13B block delivers the confidence needed for aggressive street driving, motorsport applications, and future performance upgrades.
The Duncan Aviation DR200R Dual Rotor Aircraft Engine Based on Mazda 12A Rotary is an exceptionally rare aviation powerplant that represents a unique chapter in rotary engine and experimental aircraft history. Built in 1985 and preserved as new old stock, this engine has never been run and has remained in storage since new, making it a remarkable opportunity for aviation enthusiasts, rotary collectors, aircraft builders, and Mazda rotary specialists.
Developed around Mazda’s legendary 12A rotary platform, the DR200R was engineered specifically for aviation applications, combining the compact design and smooth operation of a rotary engine with purpose-built aircraft components. Producing approximately 200 horsepower at 8,100 RPM, this engine delivers impressive power while maintaining a relatively lightweight package.
Whether you’re restoring a period-correct experimental aircraft, seeking a unique collector’s piece, or exploring a custom rotary-powered aviation project, the Duncan Aviation DR200R Dual Rotor Aircraft Engine Based on Mazda 12A Rotary offers unmatched rarity and historical significance.
This engine has been carefully preserved, periodically oiled internally, and remains sealed from storage. It turns freely by hand with even compression pulses, and documentation from Duncan Aviation is included.
Experience pure rotary performance with this brand-new, original Mazda Wankel 13B-REW engine, designed exclusively for the Mazda RX-7 FD (FD3S). This is a genuine OEM engine, never used, factory-sealed, and delivered new in its original box—the ultimate choice for restorations, replacements, or high-end performance builds.
If you’re searching for a professionally prepared rotary engine that delivers reliability, responsiveness, and proven performance potential, the FD 13B Motor – Ported, Dowel Pinned & Assembled is an excellent choice.
Built from a genuine Mazda RX-7 FD 13B platform, this engine has been carefully machined, ported, dowel pinned, and assembled to provide a strong foundation for street, track, or turbocharged applications. Whether you’re restoring an FD RX-7, replacing a tired engine, or building a custom rotary-powered project, this setup offers the durability and airflow improvements serious enthusiasts demand.
The rotary community has long recognized the 13B platform for its lightweight design, smooth power delivery, and exceptional high-RPM capability. This build takes those advantages further with professional port work and dowel pin reinforcement to help maintain housing alignment under demanding conditions.
Designed for enthusiasts who value both performance and reliability, this engine provides an ideal starting point for naturally aspirated builds, bridge-port projects, or high-horsepower turbo applications.
Offered for sale is a genuine OEM Mazda 20B 3-rotor rotary engine, an extremely rare and highly sought-after powerplant originally found in the Mazda RE Cosmo. This engine is suitable for RE Cosmo restorations as well as RX-7 and custom rotary conversions.
When rebuilding a Mazda RX-7 FD3S rotary engine, few components are as critical as the rotor housings. The Genuine Mazda RX-7 FD3S 13B-REW Rotor Front & Rear Housing (Brand New, Unused) – MZ0002 provides enthusiasts, engine builders, and restoration specialists with factory-original Mazda rotor housings designed specifically for the legendary 13B-REW twin-turbo rotary engine.
Rotor housings are the heart of rotary engine performance. Their chrome-plated internal surfaces directly influence compression, sealing efficiency, reliability, and overall engine longevity. Worn, damaged, or scored housings can significantly impact performance and compromise the success of even the most carefully assembled engine build.
Kit is 1 year old,and has about 200 miles on it.It is a Greddy es with recirculator valve,intercooler,piping,has all gaskets and couplers,aswell as clamps and bolts.Turbo was ran at only 5 psi never over boosted.It is in great condition,and was installed and removed by certified mechanics.
For serious performance enthusiasts, the transmission is just as important as the engine. When horsepower increases and lap times matter, a standard gearbox can quickly become a limiting factor. The HKS 6-Speed H-Pattern Dog Gearbox – Genuine HKS is engineered specifically for high-performance applications where rapid gear changes, durability, and driver engagement are critical.
Built by one of Japan’s most respected motorsport brands, this genuine HKS dog engagement transmission delivers lightning-fast shifts and exceptional strength for demanding street, circuit, drag, drift, and time attack applications. Unlike conventional synchronized gearboxes, a dog box is designed for aggressive driving, allowing significantly quicker shifts while reducing shift lag during competition.
Whether you’re building a high-horsepower Mazda RX-7, RX-8, Toyota, Nissan, or another custom performance platform, this gearbox represents a rare opportunity to own an authentic HKS drivetrain component trusted by professional racers and elite tuners worldwide.
When building a serious Mazda RX-7 FD3S, the transmission is just as important as the engine. The HKS 6-Speed Sequential Gearbox – Mazda RX-7 FD is one of the most sought-after drivetrain upgrades available for rotary enthusiasts who demand lightning-fast shifts, race-proven durability, and true motorsport performance.
Designed specifically for the FD3S platform, this genuine HKS sequential transmission transforms the driving experience by eliminating the limitations of a traditional H-pattern gearbox. Whether you’re attacking lap records, building a competitive time attack car, drag racing, or creating the ultimate high-horsepower street machine, this gearbox delivers the precision and confidence needed when every shift matters.
This particular unit is in near-new condition with only 12 laps completed since rebuild. It includes the hydraulic slave cylinder and shifter, making it a ready-to-install solution for enthusiasts looking to upgrade their RX-7 to professional-grade sequential performance.
Rarely available and highly respected throughout the motorsport world, the HKS 6-Speed Sequential Gearbox remains one of the most desirable transmission upgrades ever produced for the Mazda RX-7 FD.
For serious Mazda RX-7 enthusiasts and motorsport competitors, few upgrades transform the driving experience quite like a true sequential transmission. This genuine HKS Sequential 6-Speed Gearbox – Mazda RX-7 FD3S is engineered specifically for drivers who demand lightning-fast gear changes, exceptional durability, and race-ready performance.
Designed as a direct-fit transmission for the FD3S chassis, this HKS sequential gearbox was developed to withstand the extreme demands of high-horsepower rotary applications while providing the precision shifting required in competitive motorsport environments.
Unlike traditional H-pattern transmissions, a sequential gearbox allows drivers to shift through gears with a simple forward and backward motion, significantly reducing shift times and improving vehicle control under acceleration and braking.
Whether you’re building a dedicated track car, drag racing machine, time attack weapon, or professional motorsport project, this HKS Sequential 6-Speed Gearbox delivers the performance, reliability, and race-proven engineering that have made HKS one of the most respected names in automotive performance.
Rarely available and highly sought after, this transmission represents an outstanding opportunity for FD3S owners looking to elevate their build to true competition-level standards.
