Collection: OS Giken
OS Giken | Premium Racing Drivetrain Parts & Performance Clutch Systems
Founded in 1973 by Mr. Okazaki, OS Giken has grown from humble beginnings to become one of the most respected names in the world of high-performance drivetrain parts and racing components. Headquartered in Okayama, Japan, OS Giken manufactures and assembles all of its products in-house, maintaining the highest standards of precision engineering and quality control. With decades of experience in motorsports and automotive tuning, OS Giken has earned a reputation for producing some of the most innovative, durable, and reliable performance parts on the market.
Specializing in clutch systems, limited-slip differentials, and gearboxes, OS Giken delivers performance components that are used by professional racers and car enthusiasts around the world. Whether you're looking to enhance vehicle handling, engine power, or overall driving performance, OS Giken products are engineered to meet the demands of the most challenging racing environments, while offering unmatched precision, strength, and reliability.
Each OS Giken product is crafted with cutting-edge technology and extensive testing to ensure maximum performance gains and durability. Whether you're a motorsport professional or an automotive enthusiast, OS Giken provides you with the components needed to take your car’s drivetrain to the next level.