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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
Finding a genuine running Mazda 12A rotary engine has become increasingly difficult as classic RX-7s continue to gain popularity among collectors, restorers, and rotary enthusiasts. This 1984 Mazda 12A Rotary Engine – Good Compression | Running presents an excellent opportunity to acquire a complete, running rotary engine with good compression, making it an ideal candidate for restoration projects, engine replacements, custom builds, or vintage Mazda preservation.
Originally found in the iconic first-generation Mazda RX-7 (FB), the 12A rotary engine helped establish Mazda’s reputation for innovative engineering, lightweight performance, and high-revving excitement. Decades later, the 12A remains one of the most beloved rotary engines ever produced.
This engine was running prior to removal and has demonstrated good compression, two of the most important factors buyers look for when evaluating a used rotary engine. Whether you’re restoring a classic RX-7 to factory specifications or searching for a solid foundation for a rotary project, this engine offers genuine Mazda rotary heritage and proven functionality.
Sold exactly as shown in the photographs, this engine provides an authentic opportunity to own one of Mazda’s most recog
