20B rotary engine parts

  • 20B Eccentric Shaft – Decorative

    20B Eccentric Shaft – Decorative / Rare 3-Rotor Item | Genuine Mazda 20B Collector Piece

    $1,000.00

    The 20B Eccentric Shaft – Decorative / Rare 3-Rotor Item is a genuine piece of Mazda rotary history and one of the most recognizable components from the legendary 20B triple-rotor engine platform. Originally found in the highly sought-after Mazda Eunos Cosmo, the 20B engine remains one of the most iconic rotary powerplants ever produced, making original components increasingly difficult to source.

    Whether you’re a dedicated rotary enthusiast, a collector of rare JDM memorabilia, or someone looking to create a unique automotive display, this genuine Mazda 20B eccentric shaft offers an exceptional opportunity to own a piece of rotary engineering heritage.

    Its distinctive design instantly captures attention and serves as the perfect centerpiece for a garage, workshop, showroom, office, man cave, or automotive collection. It can also be incorporated into custom furniture projects, display stands, motorsport-themed décor, or restoration exhibits.

    As authentic 20B parts continue to become rarer worldwide, collector interest has steadily increased. This makes the 20B Eccentric Shaft – Decorative / Rare 3-Rotor Item both an impressive display piece and a valuable addition to any serious rotary collection.

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  • 20B Side Housing – Peripheral Port

    20B Side Housing – Peripheral Port | Genuine Mazda 3-Rotor Performance Housing for 20B Builds

    $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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