The OS Giken Grand Touring Clutch is the latest development to our clutch lineup and retains all the technology from our Racing Multi-plate Clutches, but with the addition of our unique “floating...

The OS Giken STR Clutch line-up is best suited for those who enjoy spirited driving and is well suited for street and occasional race use. The STR Clutch is available in single and twin plate...

The OS Giken TR Clutch line-up is designed for vehicles which have substantial increases in engine power and will be used mostly for racing with mild street use. The billet aluminum cover provides a...

The OS Giken TR Clutch line-up is designed for vehicles which have substantial increases in engine power and will be used mostly for racing with mild street use. The billet aluminum cover provides a...

The OS Giken TR Clutch line-up is designed for vehicles which have substantial increases in engine power and will be used mostly for racing with mild street use. The billet aluminum cover provides a...