• OS Giken STR twin-plate clutch overhaul kit A (STR2C) for Mazda RX-7 FD3S
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OS Giken

OS Giken STR twin-plate clutch overhaul kit A (STR2C) for Mazda RX-7 FD3S

OS Giken STR twin-plate clutch overhaul kit A (STR2C) for Mazda RX-7 FD3S

SKU: MZ121-BJ50A
£805.20
£805.20
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Overhaul kit A for the OS Giken STR2C twin-plate clutch on the Mazda RX-7 FD3S. The STR2C is rated to about 780 Nm (575 lb ft).

  • Solid hub discs for efficient power transfer
  • Quiet in use

Fitment

Make Model Chassis Engine Years
Mazda RX-7 FD3S

Specifications

OS Giken series code STR2C
Number of plates Twin
Disc type Solid hub
Torque capacity about 780 Nm (575 lb ft)
Made by OS Giken, Japan
OS Giken part number MZ121-BJ50A

Fitting notes

  • The FD3S requires N351-11-521 and 6 bolts (8051-27-236).
  • Follow the OS Giken installation guide.
  • Reuse or renew the original pilot bearing or bush.
  • Overhaul kits are for rebuilding an OS Giken clutch you already have. Overhaul kit A: clutch discs and pressure plate. Overhaul kit B: clutch discs, pressure plate and clutch cover.

Lead time: made to order by OS Giken in Japan, usually 2 to 3 weeks. Contact us if you need it sooner or want us to check fitment.

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