13B turbo build

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  • 13B Turbo II Streetported & Dowel-Pinned

    13B Turbo II Streetported & Dowel-Pinned Engine – Boost-Ready Mazda Rotary Performance Engine

    $2,500.00

    13B Turbo II Streetported & Dowel-Pinned Engine – Boost-Ready Mazda Rotary Performance Engine13B Turbo II Streetported & Dowel-Pinned Engine – Boost-Ready Mazda Rotary Performance Engine

    The 13B Turbo II Streetported & Dowel-Pinned Engine is a proven performance upgrade for rotary enthusiasts seeking the perfect balance between street manners, reliability, and serious turbocharged power potential. Built around Mazda’s legendary 13B Turbo II platform, this engine features two of the most desirable modifications in the rotary world: professional streetporting and dowel pin reinforcement.

    Designed for enthusiasts who want faster spool-up, improved airflow, stronger top-end performance, and enhanced engine integrity under boost, this engine provides an outstanding foundation for both street-driven and track-focused builds.

    Whether you’re restoring an FC RX-7 Turbo II, building a custom rotary project, upgrading an existing setup, or preparing for future power goals, this engine delivers the performance characteristics that have made the 13B Turbo II one of the most respected rotary powerplants ever produced.

    The combination of streetporting and dowel-pinning creates a highly desirable package that improves airflow while helping maintain engine stability under demanding conditions. The result is a rotary engine that retains excellent drivability while offering significantly increased performance potential.

  • Mazda 13B Generator Short Block

    Mazda 13B Generator Short Block – S5 T2 Components | Rare OEM Rotary Engine Foundation for Turbo Builds

    $2,000.00

    The Mazda 13B Generator Short Block – S5 T2 Components is a rare rotary engine assembly originally imported into the United States during the early 1990s for industrial stationary generator applications. Unlike conventional automotive rotary engines, this unique powerplant was designed for propane-fueled operation and long-term reliability under continuous-duty conditions.

    Built using a specialized combination of genuine Mazda second-generation rotary components, this short block offers a unique opportunity for rotary enthusiasts, engine builders, restorers, and performance tuners seeking hard-to-find OEM parts. Featuring desirable S5 Turbo II end plates, S5 rotor housings, 13BT eccentric shaft, and factory one-piece apex seals, this engine provides an exceptional foundation for a custom turbocharged build or specialized rotary project.

    Stored in a climate-controlled workshop environment, the engine spins freely and demonstrates strong compression, making it a highly attractive candidate for performance applications, rebuilds, or parts harvesting.

    Whether you’re building a street-driven RX-7, a dedicated race car, a custom rotary swap project, or simply collecting rare Mazda rotary components, this discontinued generator engine represents a unique opportunity to secure genuine OEM hardware that is becoming increasingly difficult to source.