rotary motorsport parts

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  • 3-Rotor Eccentric Shaft

    3-Rotor Eccentric Shaft | Premium Mazda 20B Rotary Engine Performance Component

    $1,200.00

    If you’re building a serious Mazda rotary engine, the eccentric shaft is one of the most critical components in the entire assembly. This FOR SALE – 3-Rotor Eccentric Shaft offers an exceptional opportunity for rotary enthusiasts, engine builders, racers, and fabrication specialists seeking a premium foundation for a high-performance 20B or custom 3-rotor project.

    Presented in Grade A++ condition and showing minimal signs of wear, this eccentric shaft is ideal for anyone assembling a custom rotary engine for street, drag racing, circuit racing, drifting, or motorsport applications. Finding quality 3-rotor components has become increasingly difficult as demand for rotary performance parts continues to grow worldwide.

    Whether you’re building a naturally aspirated race engine, a high-boost turbocharged monster, or restoring a rare 20B-powered vehicle, this 3-Rotor Eccentric Shaft provides the strength, reliability, and precision required for demanding performance applications.

  • Trust (GReddy) 6-Speed Dog Transmission

    Trust (GReddy) 6-Speed Dog Transmission – Mazda RX-7 FD3S | Race-Proven Dogbox Gearbox

    $2,200.00

    For serious Mazda RX-7 enthusiasts, the transmission is one of the most important components in any performance build. The Trust (GReddy) 6-Speed Dog Transmission – Mazda RX-7 FD3S is engineered for drivers who demand rapid gear changes, exceptional durability, and race-ready performance in high-horsepower rotary applications.

    Developed by GReddy, one of Japan’s most respected performance brands, this 6-speed dogbox transmission is designed to withstand the punishment of motorsport use while delivering the fast, positive engagement that competitive drivers rely on. Whether you’re building a dedicated circuit car, drag racing machine, time attack weapon, drift car, or serious street-driven FD3S, this gearbox provides the strength and responsiveness needed to maximize performance.

    Unlike conventional synchronized transmissions, a dog engagement gearbox is built for aggressive shifting under demanding conditions. The result is quicker gear engagement, reduced shift times, and a direct mechanical connection that serious enthusiasts appreciate.

    Rare, desirable, and purpose-built for performance, the Trust (GReddy) 6-Speed Dog Transmission remains one of the most sought-after drivetrain upgrades available for the Mazda RX-7 FD platform.