OS Giken Clutches & High Performance Parts

OS Giken is a leading manufacturer of drivetrain and engine components for high-performance applications. For over 44 years, the company has engineered and manufactured high-quality race products, including transmission clutches, limited slip differentials, and other transmission and engine parts designed to improve engine response and overall efficiency. Thanks to its innovative solutions, OS Giken has gained worldwide recognition, and established itself in the upper-echelon of the world's most trusted manufacturers of high-performance automotive parts.

Performance drivetrain components are the core of OS Giken's product line. The company implements only forward-thinking solutions, manufacturing its high performance clutches, flywheels, limited slip differentials, gears, and other drivetrain components. Built within strict tolerances and made from premium quality materials, they provide superior durability, unmatched performance and reliability. All OS Giken drivetrain parts are intended to be used with high-performance applications to serve the needs of both racers and hot-rod drivers worldwide.

OS Giken takes pride in its high-performance products, including transmissions, engines and engine blocks. For the most part, these products are aimed at racers and professional drivers who have fuel running through their veins. The company offers a wide range of sequential transmissions capable of withstanding up to 1500 hp, and high-performance engines which are able to produce over 1400 hp, given that some supporting vehicle modifications and proper tuning have been done. OS Giken's high-torque engines and transmission assemblies are made from top-quality forged materials utilizing decades of engineering experience and knowledge. Made with customer in mind, they'll complement your extremely tuned or race vehicle, so it can look and perform at its best.