Showing 17–32 of 104 results
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$7,000.00
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.
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$2,500.00
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.
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$4,000.00
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.
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$4,000.00
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.
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$2,500.00
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.
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$1,000.00
Upgrade your Mazda RX-7 FD3S with one of the most respected turbo conversion systems ever developed for the rotary platform. This FD RX-7 S6–S8 HKS Single Turbo Kit features the legendary HKS T04S turbocharger and includes the essential components needed to transform your 13B-REW from the factory sequential twin-turbo setup into a powerful and reliable single-turbo configuration.
Designed for Mazda RX-7 Series 6, Series 7, and Series 8 models, this kit delivers the performance, simplicity, and engine bay aesthetics that rotary enthusiasts demand. Whether you’re building a street-driven FD, a weekend track machine, or a dedicated performance project, this HKS setup offers proven results backed by one of Japan’s most iconic tuning brands.
The turbocharger has been refreshed with brand-new bearings and wheels, providing added confidence and long-term reliability. Combined with the included manifold, wastegate, downpipe, intake system, and intercooler piping, this package represents an excellent opportunity for anyone looking to upgrade their FD3S.
Priced at only $1,000, this complete kit offers exceptional value for enthusiasts seeking genuine HKS performance components.
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$500.00
If you’re building a high-performance rotary-powered Mazda, your fuel system is one area where compromise simply isn’t an option. The Fuel Tanks – Now Available Mazda RX-7 FD, Mazda RX-2 / Capella (Boot Version), and Mazda RX-7 FC are engineered specifically for enthusiasts who demand reliability, fuel delivery consistency, and race-proven durability.
Designed for street, track, drag, drift, and motorsport applications, these premium aluminium fuel tanks combine modern engineering with vehicle-specific fitment. Each tank is constructed from durable 3mm aluminium and features a billet triple pump hanger, integrated fuel level sender, powder-coated finish, and convenient 6AN drain plug.
Whether you’re upgrading a modified RX-7, building a high-horsepower rotary project, or replacing an aging factory fuel tank, these purpose-built fuel tanks offer the capacity, strength, and functionality needed to support today’s performance demands.
With limited production runs available before year-end, these tanks provide an excellent opportunity to secure a premium fuel system upgrade for your Mazda project.
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$7,000.00
Genuine Mazda 20B 3-Rotor Rotary Engine – RE Cosmo / RX-7
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.
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$1,500.00
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.
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![Genuine Product] Brembo Caliper Kit for RX7 FD3S 380mm 2P Rotor Brake Kit 6-pot Caliper FC3S NC ND RX-7 Custom Fabrication Available](https://billrotarygarage.com/wp-content/uploads/2026/09/i-img720x960-1764542279343840cy0d4x8-1-300x300.jpg)
$900.00
[Genuine Product] Brembo Caliper Kit for RX7 FD3S 380mm 2P Rotor Brake Kit 6-pot Caliper FC3S NC ND RX-7 Custom Fabrication Available $900 USD this is a genuine Brembo caliper. The set includes: * Caliper * Bell housing * Bracket * Brake hose * Rotor * Brake pads Except for the…
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$900.00
The MAZDA RX7 FD3S TYPE-R BATHURST LIMITED EDITION BBS FORGED WHEELS are among the most desirable factory wheel options ever fitted to the legendary Mazda RX-7 FD3S. Originally offered on the highly sought-after Bathurst Limited Edition models, these genuine forged BBS wheels combine lightweight performance, timeless styling, and collector-grade rarity.
For RX-7 enthusiasts, authentic OEM components are becoming increasingly difficult to source, especially parts associated with special-edition vehicles. These wheels represent a unique opportunity to own a genuine piece of RX-7 history while enhancing the appearance and performance of your vehicle.
Manufactured by BBS, one of the most respected wheel manufacturers in motorsport history, these forged wheels deliver exceptional strength, reduced unsprung weight, and factory-correct fitment. Whether you’re restoring a Bathurst Edition RX-7, building a concours-quality FD3S, or simply searching for one of the most iconic JDM wheel sets ever produced, this genuine BBS package stands in a class of its own.
Featuring the original silver finish and all center caps present, this complete wheel set offers authenticity and value that reproduction wheels simply cannot match.
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$2,200.00
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.
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$2,000.00
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.
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$1,700.00
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.
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$700.00
The HKS Turbo Kits for RX-7 FD3S – Available are high-performance upgrade systems designed specifically for Mazda’s iconic FD3S RX-7 equipped with the 13B-REW rotary engine. Built for enthusiasts who want serious power gains, sharper throttle response, and reliable boost delivery, this kit is a proven solution for both street and track applications.
Whether you’re restoring a classic JDM RX-7 FD3S or building a high-boost performance machine, this HKS turbo system delivers the engineering precision and airflow efficiency that HKS is globally known for. It’s a complete setup designed to simplify installation while maximizing performance potential.
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$3,500.00
Bring legendary JDM performance to your build with this authentic JDM Mazda RX-7 FD3S 13B-REW 1.3L Twin Turbo Rotary Engine paired with a 5-Speed Manual Transmission (5MT). This complete engine and transmission swap is ideal for FD RX-7 restorations, high-performance builds, and premium rotary conversions.
The iconic 13B-REW twin-turbo rotary engine is celebrated worldwide for its exceptional power-to-weight ratio, smooth high-RPM delivery, and immense tuning potential. Combined with the factory 5-speed manual gearbox, this setup delivers a true FD3S driving experience—raw, responsive, and unmistakably rotary.
