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OS Giken STR Series twin-plate clutch for Mini Cooper S (R50/R53). This twin-plate assembly combines two friction surfaces with a soft diaphragm to increase clamp capacity while retaining controlled engagement thanks to dampening. It is suited where higher torque capacity is needed without sacrificing much drivability, providing a compact upgrade for manual Cooper S transmissions that require stronger holding power.
OS Giken Mini COOPER/S R50/R53 STR Series Twin Plate w/Soft Diaphragm Clutch
