13B street port motor

  • Mazda 13B Street-Ported Half-Bridge Rotary Engine

    Mazda 13B Street-Ported Half-Bridge Rotary Engine – Dowel Pinned Build | Fresh Performance Rotary Engine

    $2,500.00

    The Mazda 13B Street-Ported Half-Bridge Rotary Engine – Dowel Pinned Build is a professionally assembled performance rotary engine designed for enthusiasts seeking serious power potential, improved airflow, and enhanced durability. Built with a combination of street-porting, half-bridge port modifications, and a dowel-pinned block, this engine offers an excellent balance between drivability, reliability, and high-performance capability.

    Whether you’re building a street-driven Mazda RX-7, a dedicated track car, or a custom rotary-powered project, this freshly built 13B rotary engine provides a strong foundation for achieving your performance goals. The combination of proven rotary modifications and professional assembly makes this engine an attractive option for enthusiasts who want more than a standard stock rebuild.

    Unlike factory engines, this build has been specifically prepared to support increased airflow and stronger power delivery while maintaining the unique characteristics that make rotary engines legendary among performance enthusiasts.

    Freshly built and ready for installation, this engine is prepared for its next chapter in a high-quality performance build.

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  • Mazda RX7 13B Turbo 2 Rebuilt Rotary Engine

    Mazda RX7 13B Turbo 2 Rebuilt Rotary Engine | Fresh Build with Street Port & Dowel Pinned Irons

    $1,700.00

    The Mazda RX7 13B Turbo 2 Rebuilt Rotary Engine is a professionally rebuilt performance rotary engine designed for enthusiasts who demand reliability, strong compression, and serious horsepower potential. Featuring a fresh rebuild with zero miles since completion, this engine combines proven rotary technology with carefully selected performance upgrades to create a powerful foundation for street, track, or custom build applications.

    Built by JPR South Jersey and equipped with premium internal components, this engine includes Rotary Aviation cryo-treated apex seals, cryo-treated side seals, OEM-quality rebuild components, dowel-pinned irons, and a professionally completed large street port. The result is a rotary engine capable of delivering exceptional responsiveness, impressive power output, and long-term durability when paired with the proper supporting modifications.

    With compression readings exceeding 100 PSI on all rotor faces, this engine offers the confidence buyers look for when investing in a performance-oriented rotary powerplant.

    Whether you’re replacing an aging engine in your Mazda RX-7, building a high-horsepower street car, or assembling a dedicated rotary performance project, the Mazda RX7 13B Turbo 2 Rebuilt Rotary Engine provides an outstanding starting point.

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