
OS Giken STR Series twin‑plate clutch for Mazda RX‑8 13B‑MSP featuring a soft diaphragm pressure assembly. The STR configuration pairs twin friction discs with a softer diaphragm spring to provide a more forgiving pedal feel in 13B‑MSP fitment. It is offered as a multi‑plate replacement tailored to RX‑8 rotary applications where a softer diaphragm characteristic is preferred.
OS Giken Mazda RX8 13B-MSP STR Series Twin Plate w/Soft Diaphragm Clutch