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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707 products

OS Giken Differential Gear Oil OS011-KA1 Item Image
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OS Giken Clutch Kits NS001-012K Item Image
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OS Giken Scion ZN6 FR-S/Toyota GT86 FA20A CLUTCH PARTS Release Sleeve for TR2COS Giken Scion ZN6 FR-S/Toyota GT86 FA20A CLUTCH PARTS Release Sleeve for TR2C
OS Giken Hats OS011-HAT Item Image
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OS Giken Clutch Release Bearing NS201-BC60K Item Image
OS Giken TS2CD Release Bearing Skyline RB26DETT Sale price$103.50 USD Regular price$115.00 USD
OS Giken Flywheel Bolts TY031-E000L Item Image
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OS Giken Gearsets NS201-GL Item Image
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OS Giken Clutch Kits TY021-CH5 Item Image
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OS Giken Clutch Kits MZ101-BJ5 Item Image
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OS Giken Differentials DG182-HA Item Image