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For rotary enthusiasts seeking the raw, high-revving character that made Mazda rotary engines legendary, this 12A Bridge Port (P-Port) Engine Assembly delivers an uncompromising performance experience.
Built by Renown Racing, this race-inspired Mazda 12A rotary engine features a full peripheral port (P-Port) configuration designed to maximize airflow, throttle response, and top-end power. Unlike turbocharged setups that rely on boost, this naturally aspirated engine focuses on pure mechanical performance, rewarding drivers with instant response, screaming RPM capability, and the unmistakable sound that only a peripheral port rotary can produce.
Whether you’re building a dedicated race car, track weapon, circuit racer, or classic rotary project, this engine offers the aggressive performance characteristics serious rotary enthusiasts demand.
With its competition-focused design and renowned rotary pedigree, this 12A Bridge Port (P-Port) Engine Assembly represents one of the most exciting naturally aspirated rotary engine configurations available.
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$1,500.00
The 20B Side Housing – Peripheral Port is a premium genuine Mazda component designed for serious rotary enthusiasts building high-performance 3-rotor engines. Whether you’re assembling a turbocharged street monster, a dedicated drag car, or an all-out race build, this peripheral port side housing provides the airflow potential and reliability needed to support substantial horsepower goals.
As one of the most sought-after components in the rotary performance world, a genuine Mazda 20B side housing is a critical foundation for any serious triple-rotor engine project. Designed specifically for peripheral port (PP) configurations, this housing helps maximize airflow into the engine, supporting the high-RPM characteristics and power output that have made the 20B legendary among rotary enthusiasts.
Originally found in the iconic Mazda Eunos Cosmo, the 20B remains one of the most respected rotary engines ever produced. Builders pursuing big horsepower numbers understand the importance of using quality OEM components during assembly, and this 20B Side Housing – Peripheral Port is an excellent choice for maintaining reliability while unlocking maximum performance potential.
Clean, ready for assembly, and suitable for a variety of custom builds, this component is ideal for performance engine rebuilds, race applications, and custom rotary conversions.
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$2,000.00
The Mazda 12A Peripheral Port (P-Port) – Fuel Injected is a serious rotary engine built for enthusiasts who demand maximum airflow, aggressive power delivery, and the unmistakable sound that only a peripheral port rotary can produce. Combining Mazda’s legendary 12A rotary platform with a professionally executed peripheral port configuration and fuel injection system, this engine delivers exceptional throttle response, high-RPM capability, and modern drivability.
Whether you’re restoring a classic RX-7, building a dedicated track machine, or creating a custom rotary-powered project, this setup offers the perfect balance between old-school rotary character and improved fuel delivery technology. The fuel-injected design enhances reliability and tunability while preserving the raw performance that peripheral port engines are known for.
Built for enthusiasts who appreciate authentic rotary engineering, the Mazda 12A Peripheral Port (P-Port) – Fuel Injected engine is a standout choice for anyone seeking a unique and powerful rotary package.
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$2,000.00
For rotary enthusiasts who demand maximum naturally aspirated performance and one of the most iconic sounds in motorsports, the Mazda 13B Peripheral Port Rotary Engine – Performance Build delivers a driving experience unlike anything else on the road.
This freshly built performance-oriented 13B rotary engine features a full peripheral port (PPort) configuration, a setup widely regarded as the ultimate naturally aspirated rotary modification. Designed to maximize airflow and unlock the true high-RPM potential of Mazda’s legendary twin-rotor engine, this build offers exceptional top-end power, razor-sharp throttle response, and the unmistakable race-inspired rotary exhaust note that enthusiasts worldwide recognize instantly.
Whether you’re building a dedicated track car, a weekend street machine, a competition drift vehicle, or a custom rotary-powered project, this engine provides an incredible foundation for serious performance.
Built specifically for drivers who appreciate the unique character of rotary power, the Mazda 13B Peripheral Port Rotary Engine – Performance Build combines motorsport-inspired engineering with the timeless appeal of Mazda’s legendary rotary platform.
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$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.
