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OS Giken
From Mr. Okazaki's humble beginnings tinkering with motorcycle parts at home, OS Giken has evolved and grown over the years, building and cementing a reputation as one of the best racing drivetrain parts manufacturers in the world. Officially founded in 1973, the company headquarters and factory are located in Okayama, Japan. All OS Giken parts are 100% manufactured and assembled in Japan, under very strict quality-control guidelines.
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711 products
OS Giken
| MPN: OS021-CH51i
OS Giken Universal R3C 26 Spline Center Hub (18-A) OS021-CH51i
Sale price$202.50 USD
OS Giken
| MPN: TY031-EC1
OS Giken Toyota Supra 2JZGTE Replacement Push Rod for 110mm Slave Cylinder TY031-EC1
Sale price$25.00 USD
OS Giken
| MPN: TY031-BC60A
OS Giken Toyota Supra JZA80 2JZ-GTE Overhaul Kit A (for TY031-BC6) TY031-BC60A
Sale price$822.50 USD
OS Giken
| MPN: NS201-BC40B
OS Giken Nissan SKyline RB26DETT Clutch Overhaul Kit B (for NS201-BC4) NS201-BC40B
Sale price$982.50 USD
OS Giken
| MPN: OS071-FR7
OS Giken OS-FR7 - 7 Speed Sequential (Gearbox Only) OS071-FR7
Sale price$17,440.00 USD
OS Giken
| MPN: FT191-HA
OS Giken 16+ Mazda Miata AT/ Fiat 124 Spider MT LSD FT191-HA
Sale price$1,452.50 USD
OS Giken
| MPN: NS201-ALT18
OS Giken Movement Alteration Kit for RB26DETT TS3B Clutch Kit NS201-ALT18
Sale price$452.50 USD
OS Giken
| MPN: HA082-HA
OS Giken Honda Civic Type-R (FK8) Spec-S Super Lock LSD HA082-HA
Sale price$1,452.50 USD
OS Giken
| MPN: TY031-CH51
OS Giken
| MPN: TY031-DH51
OS Giken Toyota SUPRA 1JZGTE (R154 Gearbox) R4C Series Quad Plate w/ 26 GM Spline TY031-DH51
Sale price$2,322.50 USD
OS Giken
| MPN: NS201-ALT28
OS Giken
| MPN: MZ191-HA
OS Giken 2016 Mazda Miata MX-5 ND 2.0L LSD MZ191-HA
Sale price$1,452.50 USD
OS Giken
| MPN: FD902-HA
OS Giken Ford 9in 31 Spline Rear End LSD (Requires Consultation for Custom Tune) FD902-HA
Sale price$1,652.50 USD
OS Giken
| MPN: NS201-ALT15
OS Giken
| MPN: OS021-DH50B
OS Giken
| MPN: NS001-018K
OS Giken 18mm Nissan (Push Type) Release Sleeve Assembly Set (for NS111-BF6) NS001-018K
Sale price$112.50 USD
OS Giken
| MPN: NS001-028K
OS Giken Nissan 28mm (Push Type) Release Sleeve Assembly Set NS001-028K
Sale price$112.50 USD
OS Giken
| MPN: TY021-ALT28
OS Giken
| MPN: MT031-ALT
OS Giken Mitsubishi LANCER EVO 4-9 4G63 Release Movement Alteration Kit MT031-ALT
Sale price$452.50 USD
OS Giken
| MPN: NS001-020K
OS Giken 20mm Nissan (Push Type) Release Sleeve Assembly Set NS001-020K
Sale price$112.50 USD
OS Giken
| MPN: HA101-ALT
OS Giken Honda NSX NA1 C30A Clutch Release Movement Alteration Kit (09-A) HA101-ALT
Sale price$452.50 USD
OS Giken
| MPN: TY421-AR6
OS Giken 13-15 Scion FR-S Clutch GTS1CD Dempened Includes Release Sleeve and Flywheel TY421-AR6
Sale price$1,452.50 USD
OS Giken
| MPN: NS001-016K
OS Giken Nissan 16mm (Push Type) Release Sleeve Assembly NS001-016K
Sale price$112.50 USD
OS Giken
| MPN: NS001-022K
OS Giken Nissan 22mm (Push Type) Release Sleeve Assembly Set NS001-022K
Sale price$112.50 USD