-
$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.
-
$2,500.00
The Mazda 13B Street Port Engine – Dowel Pinned & Ported is an excellent choice for rotary enthusiasts seeking a proven combination of reliability, drivability, and performance. Built from a genuine Mazda 13B platform, this engine has been professionally street ported to improve airflow and power delivery while incorporating dowel pin reinforcement for added strength and long-term durability.
Whether you’re restoring a classic RX-7, upgrading an RX-8, or building a custom rotary-powered project, this engine provides a strong foundation for naturally aspirated performance or future turbocharged applications.
The 13B rotary engine has earned legendary status among performance enthusiasts for its lightweight design, smooth power delivery, and ability to rev freely. This upgraded version takes those qualities further with carefully executed modifications designed to maximize airflow while maintaining excellent street manners.
For enthusiasts looking for a dependable rotary engine that delivers the unmistakable rotary driving experience, the Mazda 13B Street Port Engine – Dowel Pinned & Ported offers an ideal balance of performance and reliability.
-
$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.
-
$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.
-
$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.
