professional race gearbox

  • HKS 6-Speed Sequential Gearbox

    HKS 6-Speed Sequential Gearbox – Mazda RX-7 FD | Near-New FD3S Sequential Racing Transmission

    $2,000.00

    When building a serious Mazda RX-7 FD3S, the transmission is just as important as the engine. The HKS 6-Speed Sequential Gearbox – Mazda RX-7 FD is one of the most sought-after drivetrain upgrades available for rotary enthusiasts who demand lightning-fast shifts, race-proven durability, and true motorsport performance.

    Designed specifically for the FD3S platform, this genuine HKS sequential transmission transforms the driving experience by eliminating the limitations of a traditional H-pattern gearbox. Whether you’re attacking lap records, building a competitive time attack car, drag racing, or creating the ultimate high-horsepower street machine, this gearbox delivers the precision and confidence needed when every shift matters.

    This particular unit is in near-new condition with only 12 laps completed since rebuild. It includes the hydraulic slave cylinder and shifter, making it a ready-to-install solution for enthusiasts looking to upgrade their RX-7 to professional-grade sequential performance.

    Rarely available and highly respected throughout the motorsport world, the HKS 6-Speed Sequential Gearbox remains one of the most desirable transmission upgrades ever produced for the Mazda RX-7 FD.

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  • Trust (GReddy) 6-Speed Dog Transmission

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

    $1,200.00

    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.

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