Weekend Specials and Campaign info updated at RHDJapan Blog

RHDJapan

A famed machine shop since the times when the 510 Bluebird single cam L-head engine was a popular tuning base. Unlike its main racing clutch competition, Ogura Clutch (ORC) which manufactures clutches for a wide array of cars and other applications, OS Giken was established solely for producing tuning parts. Since the early days of the company, OS Giken has been making new innovative parts time an...READ MOREd time again. This innovation made them a common subject of talk in the tuning community and their popularity started to grow at the grass roots racing level. With the debut of the ground breaking DOHC 4 Valve TC16-MAII/TC24-B1 L-engine heads in 1975 the company really became unstoppable. Then 25 yeasr later they pushed the limits again with the RB30 OS-E2996 Engine. Innovation from OS Giken came again two years later with the release of the RB26 Sequential Transmission, and the Super Lock LSD came the following year. OS Giken continues to excel at bringing the tuning industry new and innovative products and will definitely continue to deliver high quality products for years to come
Set Descending Direction

  1. OS GIKEN Super Lock LSD Spec-X 1.5 Way - Supra JZA80 9inch Quick view

    OS GIKEN Super Lock LSD Spec-X 1.5 Way - Supra JZA80 9inch

    List Price: ¥164,440

    Special Price ¥134,972

    You Save: ¥29,468

  2. OS Giken STR Twin Plate Clutch Kit - CZ4A Quick view

    OS Giken STR Twin Plate Clutch Kit - CZ4A

    List Price: ¥203,040

    Special Price ¥150,453

    You Save: ¥52,587

  3. OS Giken OS-88 Sequential Transmission Option Ratio 1 - RB26DETT Quick view

    OS Giken OS-88 Sequential Transmission Option Ratio 1 - RB26DETT

    List Price: ¥1,328,400

    Special Price ¥1,223,380

    You Save: ¥105,020

  4. OS Giken OS-88 Sequential Transmission Option Ratio 2 - RB26DETT Quick view

    OS Giken OS-88 Sequential Transmission Option Ratio 2 - RB26DETT

    List Price: ¥1,328,400

    Special Price ¥1,223,380

    You Save: ¥105,020

  5. OS Giken OS-88 Sequential Transmission Option Ratio 3 - RB26DETT Quick view

    OS Giken OS-88 Sequential Transmission Option Ratio 3 - RB26DETT

    List Price: ¥1,328,400

    Special Price ¥1,223,380

    You Save: ¥105,020

  6. OS Giken TR2CD Multi Plate Racing Clutch - O/H Set A Quick view

    OS Giken TR2CD Multi Plate Racing Clutch - O/H Set A

    List Price: ¥81,000

    Special Price ¥60,021

    You Save: ¥20,979

  7. OS Giken STR Single Plate Clutch Kit - R53 Quick view

    OS Giken STR Single Plate Clutch Kit - R53

    List Price: ¥150,120

    Special Price ¥142,044

    You Save: ¥8,076

  8. OS Giken GT Street Master Clutch Kit Mono Metal Soft Cover - R53 Quick view

    OS Giken GT Street Master Clutch Kit Mono Metal Soft Cover - R53

    List Price: ¥172,800

    Special Price ¥163,503

    You Save: ¥9,297

  9. OS Giken GT Street Master Clutch Kit Mono Metal Hard Cover - R53 Quick view

    OS Giken GT Street Master Clutch Kit Mono Metal Hard Cover - R53

    List Price: ¥172,800

    Special Price ¥163,503

    You Save: ¥9,297

  10. OS Giken STR Single Plate Clutch Kit - R56 Quick view

    OS Giken STR Single Plate Clutch Kit - R56

    List Price: ¥150,120

    Special Price ¥142,044

    You Save: ¥8,076

  11. OS Giken GT Street Master Clutch Kit Mono Metal Soft Cover - R56 Quick view

    OS Giken GT Street Master Clutch Kit Mono Metal Soft Cover - R56

    List Price: ¥172,800

    Special Price ¥163,503

    You Save: ¥9,297

  12. OS Giken GT Street Master Clutch Kit Mono Metal Hard Cover - R56 Quick view

    OS Giken GT Street Master Clutch Kit Mono Metal Hard Cover - R56

    List Price: ¥172,800

    Special Price ¥163,503

    You Save: ¥9,297

  13. OS Giken Street Master Clutch Replacement Flywheel Quick view

    OS Giken Street Master Clutch Replacement Flywheel

    List Price: ¥48,600

    Special Price ¥37,675

    You Save: ¥10,925

  14. OS Giken STR Twin Plate O/H B-Set Kit - BNR32 Zenki Quick view

    OS Giken STR Twin Plate O/H B-Set Kit - BNR32 Zenki

    List Price: ¥108,000

    Special Price ¥80,028

    You Save: ¥27,972

  15. OS Giken STR Twin Plate O/H B-Set Kit - SW20 ST202 Quick view

    OS Giken STR Twin Plate O/H B-Set Kit - SW20 ST202

    List Price: ¥108,000

    Special Price ¥80,028

    You Save: ¥27,972

  16. OS Giken STR Twin Plate O/H B-Set Kit - ST185 ST205 SW20 Turbo Quick view

    OS Giken STR Twin Plate O/H B-Set Kit - ST185 ST205 SW20 Turbo

    List Price: ¥108,000

    Special Price ¥80,028

    You Save: ¥27,972

  17. OS Giken STR Twin Plate O/H B-Set Kit - GDB GRB Quick view

    OS Giken STR Twin Plate O/H B-Set Kit - GDB GRB

    List Price: ¥113,400

    Special Price ¥84,029

    You Save: ¥29,371

  18. OS Giken STR Twin Plate O/H B-Set Kit - GC8 Quick view

    OS Giken STR Twin Plate O/H B-Set Kit - GC8

    List Price: ¥108,000

    Special Price ¥80,028

    You Save: ¥27,972

  19. OS Giken STR Twin Plate O/H B-Set Kit - FD3S Quick view

    OS Giken STR Twin Plate O/H B-Set Kit - FD3S

    List Price: ¥108,000

    Special Price ¥80,028

    You Save: ¥27,972

  20. OS Giken STR Twin Plate O/H B-Set Kit - NA1 Quick view

    OS Giken STR Twin Plate O/H B-Set Kit - NA1

    List Price: ¥108,000

    Special Price ¥80,028

    You Save: ¥27,972

Set Descending Direction

Please wait

Please wait...

Your Session is not Valid.

Please Login

{{var product.name}}