RX7 Engine Swap

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  • 13B Rotary Engine Available – Limited-Time Price Reduction | Rebuilt Street Port 13B for Mazda RX-7 FB

    13B Rotary Engine Available – Limited-Time Price Reduction | Rebuilt Street Port 13B for Mazda RX-7 FB

    $2,500.00

    If you’re searching for a proven rotary engine for your Mazda RX-7 FB project, this 13B Rotary Engine Available – Limited-Time Price Reduction is a fantastic opportunity. Built using a carefully selected combination of desirable early and late-model Mazda rotary components, this rebuilt 13B offers the performance, reliability, and rotary character enthusiasts demand.

    Featuring a street-ported 4-port configuration, strong compression numbers, low mileage since rebuild, and upgraded 3mm apex seals, this engine is ideally suited for street-driven RX-7s, weekend performance cars, restoration projects, and custom rotary builds.

    Compatible with Mazda RX-7 FB models from 1979–1985, this engine includes both a clutch and flywheel, providing additional value and helping simplify installation. Whether you’re replacing a tired original engine or upgrading to a stronger rotary setup, this rebuilt 13B delivers the perfect blend of classic rotary performance and modern reliability.

    For enthusiasts who appreciate authentic Mazda rotary engineering, opportunities like this are becoming increasingly rare.

  • 1984 Mazda 12A Rotary Engine – Good Compression Running RX-7 FB Engine for Sale

    1984 Mazda 12A Rotary Engine – Good Compression Running RX-7 FB Engine for Sale

    $1,500.00

    Finding a genuine running Mazda 12A rotary engine has become increasingly difficult as classic RX-7s continue to gain popularity among collectors, restorers, and rotary enthusiasts. This 1984 Mazda 12A Rotary Engine – Good Compression | Running presents an excellent opportunity to acquire a complete, running rotary engine with good compression, making it an ideal candidate for restoration projects, engine replacements, custom builds, or vintage Mazda preservation.

    Originally found in the iconic first-generation Mazda RX-7 (FB), the 12A rotary engine helped establish Mazda’s reputation for innovative engineering, lightweight performance, and high-revving excitement. Decades later, the 12A remains one of the most beloved rotary engines ever produced.

    This engine was running prior to removal and has demonstrated good compression, two of the most important factors buyers look for when evaluating a used rotary engine. Whether you’re restoring a classic RX-7 to factory specifications or searching for a solid foundation for a rotary project, this engine offers genuine Mazda rotary heritage and proven functionality.

    Sold exactly as shown in the photographs, this engine provides an authentic opportunity to own one of Mazda’s most recog

  • 1985 Mazda RX-7 12A Engine – Low Miles Rotary Motor with Strong Compression

    1985 Mazda RX-7 12A Engine – Low Miles Rotary Motor with Strong Compression

    $900.00

    If you’re searching for an authentic rotary engine for your Mazda RX-7 restoration, replacement project, or classic rotary build, this 1985 Mazda RX-7 12A Engine – Low Miles is an excellent opportunity. Removed from a 1985 Mazda RX-7 equipped with an automatic transmission, this original 12A rotary engine has accumulated only approximately 76,000 miles and shows strong compression numbers.

    The legendary Mazda 12A rotary engine is known for its lightweight design, smooth power delivery, unique driving characteristics, and impressive reliability when properly maintained. Whether you’re restoring an FB RX-7 to factory specifications, replacing a worn engine, or collecting hard-to-find rotary components, this low-mileage engine provides a solid foundation.

    Included with the engine are the flywheel and counterweight, making this package even more attractive for enthusiasts and builders seeking genuine Mazda rotary components.

    With classic first-generation RX-7 values continuing to rise, original low-mileage 12A engines are becoming increasingly difficult to find. This is an excellent opportunity to secure a desirable rotary powerplant before availability becomes even more limited.

  • JDM 1996–1998 Mazda RX-7 FD 13B Engine  + 5-Speed Manual Transmission & ECU

    JDM 1996–1998 Mazda RX-7 FD 13B Engine + 5-Speed Manual Transmission & ECU

    $5,600.00

    Looking for a genuine JDM rotary engine package for your Mazda RX-7 project? This JDM 1996–1998 Mazda RX-7 FD 13B Twin Turbo 1.3L Rotary Engine + 5-Speed Manual Transmission & ECU offers one of the most sought-after drivetrain combinations ever produced by Mazda.

    Imported directly from Japan, this complete package includes the legendary 13B-REW twin-turbo rotary engine, matching 5-speed manual transmission, and factory ECU. Whether you’re restoring an FD3S RX-7, replacing a worn drivetrain, building a dedicated track car, or planning a custom rotary swap, this setup provides an authentic foundation for your project.

    The 13B-REW remains one of the most respected rotary engines in automotive history. Known for its lightweight design, twin-turbo performance, smooth high-RPM operation, and massive tuning potential, it continues to be the engine of choice for serious rotary enthusiasts worldwide.

    Compression testing is available upon request for serious buyers, providing additional confidence before purchase.

  • Mazda 13B Rotary Engine – 1994 RX-7 | Genuine FD3S 13B Turbo Engine for Sale

    Mazda 13B Rotary Engine – 1994 RX-7 | Genuine FD3S 13B Turbo Engine for Sale

    $3,000.00

    If you’re searching for a genuine rotary engine with proven performance and excellent potential, this Mazda 13B Rotary Engine – 1994 RX-7 is an outstanding opportunity for RX-7 owners, restorers, and rotary enthusiasts alike.

    Removed from a 1994 USDM Mazda RX-7 FD3S, this 13B rotary engine has demonstrated healthy compression and strong running condition. Whether you’re replacing a tired engine, planning a fresh rebuild, or building a high-performance street or track car, this engine provides a solid foundation for your next project.

    The Mazda 13B remains one of the most iconic rotary engines ever produced. Known for its compact design, smooth power delivery, lightweight construction, and impressive tuning potential, it continues to be one of the most sought-after engines in the rotary community.

    With good compression test results available and palletized shipping options, this engine is ready to become the centerpiece of your next build.

  • SA / FC / FD Peripheral Port Rotary Engines – Built for Power

    SA / FC / FD Peripheral Port Rotary Engines – Built for Power

    $2,500.00

    If you’re searching for the ultimate rotary engine setup for your Mazda RX-7 project, the SA / FC / FD Peripheral Port Rotary Engines – Built for Power deliver the airflow, horsepower potential, and unmistakable rotary sound that enthusiasts crave. Designed specifically for performance-minded builders, these engines are engineered to thrive at high RPM while providing the aggressive power characteristics that make peripheral port rotary builds legendary.

    Whether you’re building a dedicated drag car, circuit racer, drift machine, or an extreme street build, these peripheral port rotary engines offer the foundation needed to achieve serious power goals. Built by experienced rotary specialists, each engine is optimized for maximum intake efficiency, improved breathing, and enhanced top-end performance.

    Compatible with multiple Mazda RX-7 generations including the SA22C, FC3S, and FD3S platforms, these engines represent some of the most sought-after rotary configurations available today.