genuine Mazda rotary parts

  • 20B Eccentric Shaft – Decorative

    20B Eccentric Shaft – Decorative / Rare 3-Rotor Item | Genuine Mazda 20B Collector Piece

    $1,000.00

    The 20B Eccentric Shaft – Decorative / Rare 3-Rotor Item is a genuine piece of Mazda rotary history and one of the most recognizable components from the legendary 20B triple-rotor engine platform. Originally found in the highly sought-after Mazda Eunos Cosmo, the 20B engine remains one of the most iconic rotary powerplants ever produced, making original components increasingly difficult to source.

    Whether you’re a dedicated rotary enthusiast, a collector of rare JDM memorabilia, or someone looking to create a unique automotive display, this genuine Mazda 20B eccentric shaft offers an exceptional opportunity to own a piece of rotary engineering heritage.

    Its distinctive design instantly captures attention and serves as the perfect centerpiece for a garage, workshop, showroom, office, man cave, or automotive collection. It can also be incorporated into custom furniture projects, display stands, motorsport-themed décor, or restoration exhibits.

    As authentic 20B parts continue to become rarer worldwide, collector interest has steadily increased. This makes the 20B Eccentric Shaft – Decorative / Rare 3-Rotor Item both an impressive display piece and a valuable addition to any serious rotary collection.

  • Mazda RX-7 FD 13B REW Complete Rotating Assembly

    Mazda RX-7 FD 13B REW Complete Rotating Assembly – Genuine OEM 13B-REW Rotary Engine Internals

    $1,500.00

    The Mazda RX-7 FD 13B REW Complete Rotating Assembly – Complete Stock 13B REW is an excellent solution for rotary enthusiasts looking to rebuild, restore, or refresh a genuine Mazda RX-7 FD3S twin-turbo engine. Whether you’re performing a factory-spec restoration, replacing damaged internal components, or building a solid foundation for a future performance setup, a complete OEM rotating assembly offers reliability, precision, and compatibility that aftermarket alternatives often struggle to match.

    As the heart of every rotary engine, the rotating assembly plays a critical role in overall engine performance, compression, smoothness, and longevity. This complete stock 13B-REW rotating assembly includes the essential rotating components that make up the legendary twin-rotor powerplant found in the Mazda RX-7 FD.

    Designed and manufactured by Mazda to exact specifications, this assembly provides an authentic OEM solution for rotary engine builders who value quality, durability, and proven engineering.

    Whether you’re restoring a low-mileage collector vehicle or preparing a dependable street-performance engine, this genuine Mazda 13B-REW rotating assembly delivers the foundation needed for a successful build.

  • FD3S 13B-REW Rotary Engine Core

    New FD3S 13B-REW Rotary Engine Core – Housings, Rotors, Seals, Plates & Shaft | Zero Run Time

    $2,500.00

    New FD3S 13B-REW Rotary Engine Core – Housings, Rotors, Seals, Plates & Shaft | Zero Run Time

    For rotary enthusiasts, builders, and restoration specialists, finding a truly fresh foundation for a Mazda RX-7 FD3S engine build is becoming increasingly difficult. The New FD3S 13B-REW Rotary Engine Core – Housings, Rotors, Seals, Plates & Shaft | Zero Run Time offers a rare opportunity to start with brand-new core components rather than rebuilding worn or questionable parts.

    Designed specifically for the legendary Mazda RX-7 FD3S platform, this complete engine core package includes the essential internal components required for a premium-quality rotary build. Featuring new rotor housings fitted with power seals, rotors, iron plates, eccentric shaft, and a complete seal package, this assembly provides the ideal starting point for everything from OEM restorations to serious street and track builds.

    Whether you’re restoring a collector-grade FD RX-7, building a reliable street car, or planning a high-horsepower performance setup, this zero-run-time engine core eliminates many of the uncertainties associated with used rotary components.

    Built around genuine Mazda 13B-REW architecture, this package represents one of the best foundations available for enthusiasts seeking reliability, performance, and long-term durability.