-
$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.
-
$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.
-
$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.
