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$1,200.00
The (NEW) HKS Sequential Transmission – Mazda RX-7 FD3S is one of the most sought-after drivetrain upgrades ever produced for the legendary RX-7 platform. Designed by HKS for motorsport applications, this genuine sequential gearbox delivers lightning-fast gear changes, exceptional durability, and the confidence needed to handle high-horsepower rotary setups.
As a discontinued and increasingly difficult-to-find component, this transmission has become highly desirable among RX-7 enthusiasts, collectors, professional race teams, and serious performance builders. Unlike a conventional H-pattern gearbox, a sequential transmission allows rapid upshifts and downshifts through a simple forward-and-back shifting motion, reducing shift times and helping drivers stay focused on performance.
This particular unit is brand new and never installed, making it an exceptionally rare opportunity to own a genuine HKS motorsports transmission. Included with the package is an OS Giken triple plate clutch, providing a complete high-performance drivetrain solution for demanding street, track, drag, and circuit applications.
Whether you’re building a dedicated race car, a high-powered street machine, or preserving rare JDM performance parts, the (NEW) HKS Sequential Transmission – Mazda RX-7 FD3S represents a premium upgrade with proven motorsport heritage.
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$2,200.00
For serious performance enthusiasts, the transmission is just as important as the engine. When horsepower increases and lap times matter, a standard gearbox can quickly become a limiting factor. The HKS 6-Speed H-Pattern Dog Gearbox – Genuine HKS is engineered specifically for high-performance applications where rapid gear changes, durability, and driver engagement are critical.
Built by one of Japan’s most respected motorsport brands, this genuine HKS dog engagement transmission delivers lightning-fast shifts and exceptional strength for demanding street, circuit, drag, drift, and time attack applications. Unlike conventional synchronized gearboxes, a dog box is designed for aggressive driving, allowing significantly quicker shifts while reducing shift lag during competition.
Whether you’re building a high-horsepower Mazda RX-7, RX-8, Toyota, Nissan, or another custom performance platform, this gearbox represents a rare opportunity to own an authentic HKS drivetrain component trusted by professional racers and elite tuners worldwide.
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$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.
