freshly built rotary engine

  • Mazda 13B Street-Ported Rotary Engine

    Mazda 13B Street-Ported Rotary Engine – Dowel Pinned Build

    $2,500.00

    The Mazda 13B Street-Ported Rotary Engine – Dowel Pinned Build is a professionally assembled performance rotary engine designed for enthusiasts who want a proven combination of power, durability, and drivability. Featuring street porting for increased airflow and a dowel-pinned block for added structural integrity, this fresh-build 13B offers an ideal foundation for serious street, track, or custom rotary projects.

    Whether you’re building a high-performance Mazda RX-7, restoring a classic RX-3 or RX-4, or creating a one-of-a-kind rotary-powered vehicle, this engine delivers the legendary characteristics that have made Mazda rotary engines famous worldwide. The street-port configuration enhances breathing and horsepower while maintaining excellent drivability, making it one of the most popular upgrades among experienced rotary enthusiasts.

    Built for reliability and performance, this engine is ready for installation and prepared to serve as the heart of your next rotary-powered project.

  • Mazda 13B Street-Ported Rotary Engine

    Mazda 13B Street-Ported Rotary Engine – Fresh Build

    $2,000.00

    The Mazda 13B Street-Ported Rotary Engine – Fresh Build is a professionally assembled performance rotary engine designed for enthusiasts seeking improved airflow, stronger power delivery, and the unmistakable character of a modified rotary setup. Built around Mazda’s legendary 13B platform, this fresh street-port build is ideal for RX-7 restorations, custom swaps, weekend performance cars, drift builds, and track-focused projects.

    For decades, the 13B rotary engine has remained one of the most respected powerplants in the performance automotive world. Its compact design, lightweight construction, and exceptional high-RPM capability make it a favorite among enthusiasts looking for something different from traditional piston engines.

    This freshly completed engine features professional street-port modifications that improve breathing efficiency while maintaining excellent drivability. Whether you’re building a street car, replacing a worn engine, or creating a custom rotary-powered project, this engine offers an outstanding foundation for reliable performance and future upgrades.

    Ready for installation and built with performance in mind, the Mazda 13B Street-Ported Rotary Engine – Fresh Build provides the ideal balance between everyday usability and increased power potential.