Accessory Parts
Our catalog of clutch accessories, spare parts, and custom installation tools.
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Order OS-250R Today!
Choose the right gear oil to ensure your OS SuperLock LSD performs properly
Custom Tuned LSD
Have your OS Super Lock LSD custom tuned to specifically match your vehicle's performance
Which Clutch is Right for Me?
Explore our clutch product line and let us help you select the perfect OS Giken clutch for you.