Mazda rotary rebuild kit

  • 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.